Economic and Social Reports
A comparison of postsecondary enrolment trends between domestic and international students by field of study

Release date: September 27, 2023

DOI: https://doi.org/10.25318/36280001202300900003-eng

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Abstract

Recent years have witnessed a small decrease of domestic student enrolments and a growing number of international students in Canadian postsecondary programs. This study examines the relationship of changes in domestic students’ postsecondary enrolments with the influx of international students during the 2010s. This study provides one of the first empirical analyses of the relationship in the context of Canada, adding to the literature that had been based mainly on the United States and the United Kingdom. Using enrolment data from the Postsecondary Student Information System, a fixed-effects model was estimated to control for institution-specific characteristics and aggregate time effects. It found positive relationships between changes in domestic and international student enrolments within programs in science, technology, engineering and mathematics (STEM) at universities and in business, humanities, health, arts, social science and education—as well as legal studies, trades, services, natural resources and conservation—(BHASE) at colleges.  An influx of 100 international students in STEM fields was associated with 141 additional domestic student enrolments in the same fields at universities. An increase in the enrollment of 100 international students BHASE programs was associated with 99 additional domestic students in these programs at colleges. Although this finding may be partly because of unobserved time-varying factors boosting enrolments of domestic and international students at the same time, it is consistent with the notion of cross-subsidization that high tuition fees paid by international students provide resources to maintain or expand some instructional programs and potentially subsidize domestic student enrolments. There was no evidence of cross-subsidization across programs. A decrease in the domestic young adult population was associated with a decrease in domestic student enrolments in BHASE programs. Trends in domestic and international students’ tuition fees and trends of the postsecondary-age population were discussed to contextualize the results

Acknowledgments

The authors would like to thank Michelle Laing, Melissa Van Bussel and Marc Frenette for their feedback on an earlier version of this paper. This study was funded by Employment and Social Development Canada.

Authors

Youjin Choi and Feng Hou are with the Social Analysis and Modelling Division, Analytical Studies and Modelling Branch, at Statistics Canada.

Introduction

Postsecondary educational institutions play a key role in building the skill base for the Canadian labour market. However, such a role may become less straightforward with the rapid rise in international student enrolments. From 2010 to 2019, the number of international students enrolled in Canadian public postsecondary educational institutions more than doubled from 142,200 to 388,800, and their share of total postsecondary student enrolments increased from 7% to 18% (Crossman, Choi, & Hou, 2021). This increase varied by instructional program, level of study and province. For instance, the share of international student enrolments increased from 11% to 25% in programs in the science, technology, engineering and mathematics (STEM) fields, from 12% to 21% at the master’s degree level, and from 7% to 22% in Ontario (Crossman, Choi, & Hou, 2021).

Unlike domestic students, most international students left Canada after graduation. Among international students who arrived in the 2000s, about 3 in 10 became landed immigrants within 10 years of their arrival (Choi, Crossman, & Hou, 2021). Thus, the majority of international students would not contribute the skills they acquired in Canadian educational institutions to the Canadian labour force. Some studies have found that international students subsidize higher education for domestic students by paying higher tuition fees in postsecondary institutions where tuition fee revenues are a major funding source for operational activities to maintain or expand instructional programs. In the meantime, there are some concerns that international students with strengths in math may push domestic students away from STEM-related programs. If international students reduce the opportunities for domestic students to study in STEM fields and many of them leave Canada after graduation, increased enrolment of international students may weaken the STEM workforce in Canada. However, if international students subsidize higher education for domestic students, increased enrolment of international students may strengthen Canada’s skilled workforce. Knowledge about how domestic student enrolment is related to international student enrolment in postsecondary education, particularly in STEM-related programs, would inform the design of policies affecting the growth of the science and engineering workforce and the admittance of international students into the country.

Empirical studies have produced mixed findings, and the direction and strength of the association between domestic and international student enrolments in postsecondary programs seem to depend on instructional programs and levels of study. Some studies suggested a crowding-out effect of international students on domestic enrolments in U.S. graduate and undergraduate programs (Borjas, 2007; Shen, 2016). The crowding-out effect refers to the possibility that a large increase in international students would reduce the enrolment of domestic students if the absorptive capacities of some institutions or programs are not sufficiently expanded (Borjas, 2007). In contrast, other studies found no evidence of crowding-out effects in undergraduate programs (Jackson, 2015; Machin & Murphy, 2017) but found crowd-in effects of international students on domestic student enrolments in graduate programs (Shih, 2017; Machin & Murphy, 2017; Abegaz, Lahiri, & Morshed, 2020). The net higher tuition fees collected from international students would provide resources to maintain or expand some instructional programs and help subsidize the cost for domestic students (Shih, 2017). Universities with a higher share of international graduates had a higher number of graduates relative to comparable universities, suggesting that foreign graduates may have positive spillover effects on overall graduation performance, including domestic students’ graduation (Abegaz, Lahiri, & Morshed, 2020).

Previous research on the association between domestic and international student enrolments mostly used data from the United States (Shih, 2017; Borjas, 2007; Jackson, 2015; Shen, 2016; Abegaz, Lahiri, & Morshed, 2020) and the United Kingdom (Machin & Murphy, 2017). It is important to understand the relationship between domestic and international student enrolments in the context of relevant regulations on domestic and international enrolments because the regulations can be different across countries and also across levels of study within the same jurisdiction. For example, a U.K. study found no evidence of crowding out for domestic enrolments in undergraduate programs where the number of subsidized domestic enrolments was regulated by quotas, but found evidence of crowd-in effects in postgraduate programs where such quotas were not applied (Machin & Murphy, 2017). In Canada, provincial and territorial governments have jurisdiction over postsecondary education, and subsidies from the governments are one of the major sources of funding for publicly funded universities and colleges.Note The total amount of the subsidies is distributed across institutions according to a funding formula specific to a province or territory (e.g., an enrolment-weighted formula in Quebec, Ontario and Saskatchewan, and yearly adjustments to a historical base in other provinces) (Usher, 2021). While tuition fee structures are regulated at the provincial or territorial level in Canada, there is no regulation on enrolment capacity in a postsecondary institution (Council of Ministers of Education, Canada, n.d.). Since publicly funded Canadian universities have autonomy over their admission standards and program offerings (Council of Ministers of Education, Canada, n.d.), policies on school enrolment may differ across institutions. Although Statistics Canada annually releases national statistics on the enrolments of domestic and international students in publicly funded Canadian universities and colleges, no known studies have examined such associations in the context of Canada using national data.

This study examines whether domestic student enrolments have increased or decreased in programs that have experienced a large growth of international student enrolments in Canadian postsecondary institutions. It uses the administrative data from the Postsecondary Student Information System (PSIS) that cover enrolments in publicly funded postsecondary institutions in Canada. First, descriptive analysis shows the trends in enrolments among domestic and international students from academic year 2010/2011 to 2019/2020. The analysis was further broken down by field of study (STEM vs. BHASENote ), institution type (university vs. college), level of study (below bachelor’s degree, bachelor’s degree, master’s degree and doctoral degree), and province. Trends in tuition fees among domestic and international students and trends in the population aged 18 to 24—ages of typical postsecondary students—are also presented. Next, to assess the association between domestic and international student enrolments, in addition to simple correlation, a panel fixed-effects regression technique is used to reduce the influence of fixed characteristics of institutions and time effects. The unit of analysis is educational institutions. The outcome variable is the yearly change in the number of domestic student enrolments. The focal independent variable is the yearly change in the number of international student enrolments. Two broad fields of study were examined separately to examine whether changes in domestic enrolments in a field of study were correlated with changes in international enrolments in the field or at the institution level. Subgroup analysis by field of study was also further broken down by institution type and level of study to investigate whether the relationship varied by these program characteristics.

Data and methods

Data from the PSIS were used in this study.Note The PSIS collects detailed information on student enrolments from public and not-for-profit private postsecondary institutions that are funded by a provincial or territorial government, including enrolment year (in terms of academic year), status of the student in Canada (domestic student or international student), institution type (university or college), field of study (the 2016 Classification of Instructional Programs) and province of study. This dataset has the strength of covering virtually all enrolments in provincially funded postsecondary institutions. However, this data source also has limitations, especially in its exclusion of postsecondary enrolments in privately funded institutions or non-provincially funded public institutions.Note Note Note

Enrolments during the period of academic years from 2010/2011 to 2019/2020, the most recent year available at the time of study, were analyzed. This study used a fall snapshot of enrolments measured on a single date of the fall semester (between September 30 and December 1) chosen by the institution. Enrolments are defined as program enrolments in this study, unless they are specified as the number of students. For example, a student with a double major is counted toward two program enrolments. Generally, program enrolments are slightly larger than the number of students enrolled at an institution, but results based on the number of students were not very different from results based on program enrolments.

Descriptive analysis was first conducted to provide an overview of enrolment trends of domestic and international students in postsecondary programs from academic year 2010/2011 to 2019/2020. Average yearly growth rates of domestic and international enrolments were presented for two periods: from 2010/2011 to 2015/2016 and from 2015/2016 to 2019/2020. These average growth rates in the two periods showed whether enrolment changes were different in the years after regulations on study permit holders’ off-campus work hours were eased on June 1, 2014. Since a postsecondary program application process typically starts in the fall of the year before the intended academic year when students want to begin their studies, academic year 2015/2016 was the first academic year when newly admitted international students’ enrolment decisions were affected by the change. Yearly enrolment changes were examined separately for field of study, institution type, level of study and province.

This study distinguishes between domestic students and international students by their immigrant status at the time of enrolment. Domestic students encompass both Canadian citizens (including Indigenous people in Canada) and permanent residents. International students include those with a study permit, those with other visa status or no visa status, and refugees.

For fields of study, two broad groupings were used. The STEM fields of study comprise science, technology, engineering and mathematics. Non-STEM fields of study were named as the BHASE fields of study, which encompass business, humanities, health, arts, social science and education, as well as legal studies, trades, services, natural resources and conservation. For each of the STEM and BHASE groupings, yearly changes for two detailed fields of study (engineering and engineering technology, and mathematics and computer and information sciences as the STEM fields; business and administration, and arts and humanities as the BHASE fields) that had a larger number of international student enrolments in 2019/2020 were also presented.

Levels of study were defined based on the United Nations Educational, Scientific and Cultural Organization’s International Standard Classification of Education and grouped into postsecondary non-tertiary education, short-cycle tertiary educationNote , bachelor’s or equivalent, master’s or equivalent, doctoral or equivalent, and not applicable.

Empirical specification for regression analysis

Two regression models were estimated to examine whether changes in domestic student enrolments were correlated with the influx of international student enrolments in the 2010s. Similar to Shih (2017), the outcome variable is year-on-year changes in domestic student enrolments D it = D it D it1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGOaGaaeiLdiaadseapaWaaSbaaSqaa8qacaWGPbGaamiDaaWd aeqaaOWdbiabg2da9iaadseapaWaaSbaaSqaa8qacaWGPbGaamiDaa WdaeqaaOWdbiabgkHiTiaadseapaWaaSbaaSqaa8qacaWGPbGaamiD aiabgkHiTiaaigdaa8aabeaak8qacaGGPaaaaa@4590@ , and the key explanatory variable is the influx of international student enrolments measured as year-on-year changes F it = F it F it1 ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGOaGaaeiLdiaadAeapaWaaSbaaSqaa8qacaWGPbGaamiDaaWd aeqaaOWdbiabg2da9iaadAeapaWaaSbaaSqaa8qacaWGPbGaamiDaa WdaeqaaOWdbiabgkHiTiaadAeapaWaaSbaaSqaa8qacaWGPbGaamiD aiabgkHiTiaaigdaa8aabeaak8qacaGGPaaaaa@4596@ for institution i and year t (as the start year of the academic year).

First, a simple correlation between year-on-year changes in domestic and international student enrolments was calculated using a simple ordinary least squares (OLS) regression with the following specification:

Δ D it =α+ δ 1 Δ F it + ò it MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamira8aadaWgaaWcbaWdbiaadMgacaWG0baapaqabaGc peGaeyypa0JaeqySdeMaey4kaSIaeqiTdq2damaaBaaaleaapeGaaG ymaaWdaeqaaOWdbiaabs5acaWGgbWdamaaBaaaleaapeGaamyAaiaa dshaa8aabeaak8qacqGHRaWkceWGVbGbaCaapaWaaSbaaSqaa8qaca WGPbGaamiDaaWdaeqaaaaa@4914@

Coefficient δ 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaH0oazpaWaaSbaaSqaa8qacaaIXaaapaqabaaaaa@38D1@ measures the unadjusted correlation between changes in domestic and international enrolment, which falls under the influence of institution-specific characteristics and aggregate time trends. While the above model of first-differencing of enrolments eliminates the influence of the institution’s time-invariant characteristics correlated with the level of enrolments, it does not take into account the possible effect of changes in the characteristics of a particular institution. For instance, an institution may change its programs, admission standards and enrolment capacity, all of which may affect the change in the enrolment of both domestic and international students. To examine correlations after accounting for possible changes in institution-specific characteristics and time effects, a fixed-effects model was estimated with the following specification:

Δ D ipt =α+ β 1 Δ F ipt + γ t + γ i + π 1 ΔPSagePO P pt + ò ipt MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamira8aadaWgaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeqaaOWdbiabg2da9iabeg7aHjabgUcaRiabek7aI9aadaWgaaWcba Wdbiaaigdaa8aabeaak8qacaqGuoGaamOra8aadaWgaaWcbaWdbiaa dMgacaWGWbGaamiDaaWdaeqaaOWdbiabgUcaRiabeo7aN9aadaWgaa WcbaWdbiaadshaa8aabeaak8qacqGHRaWkcqaHZoWzpaWaaSbaaSqa a8qacaWGPbaapaqabaGcpeGaey4kaSIaeqiWda3damaaBaaaleaape GaaGymaaWdaeqaaOWdbiaabs5acaWGqbGaam4uaiaadggacaWGNbGa amyzaiaadcfacaWGpbGaamiua8aadaWgaaWcbaWdbiaadchacaWG0b aapaqabaGcpeGaey4kaSIabm4BayaahaWdamaaBaaaleaapeGaamyA aiaadchacaWG0baapaqabaaaaa@6201@

Year dummies ( γ t ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qadaqadaWdaeaapeGaeq4SdC2damaaBaaaleaapeGaamiDaaWdaeqa aaGcpeGaayjkaiaawMcaaaaa@3AD3@ capture any time trends and aggregate shocks affecting domestic enrolment growth in all institutions nationwide. The institution fixed effects ( γ t ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qadaqadaWdaeaapeGaeq4SdC2damaaBaaaleaapeGaamiDaaWdaeqa aaGcpeGaayjkaiaawMcaaaaa@3AD3@ account for unobserved institution characteristics correlated with a growth of domestic student enrolments. In addition, the fixed-effects model controls for changes in the domestic youth population. Variable ΔPSagePO P pt MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamiuaiaadofacaWGHbGaam4zaiaadwgacaWGqbGaam4t aiaadcfapaWaaSbaaSqaa8qacaWGWbGaamiDaaWdaeqaaaaa@4060@ represents year-on-year change in the Canadian-born and immigrant population (i.e., domestic population) at the typical postsecondary education age (18 to 24) in province p. It includes the inflow of immigrants from year t-1 to year t and emigration but excludes a net flow of temporary residents because international students add to temporary residents. It was included in the model to measure changes in the domestic demand for Canadian postsecondary education.Note

The coefficient β 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaHYoGypaWaaSbaaSqaa8qacaaIXaaapaqabaaaaa@38CD@ provides an estimate of the correlation between changes in domestic and international enrolments after adjusting for institution-specific characteristics, aggregate time trends and the domestic population of youth aged 18 to 24. The fixed-effects model provides a superior estimate to an OLS model because it controls for unobserved heterogeneity across institutions. This estimate still needs to be interpreted with caution because the fixed-effects model is not immune to bias resulting from time-varying unobservable factors and is therefore not sufficient to identify a causal relationship between changes in international and domestic enrolments.

A positive sign in the estimates of the coefficients δ 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaH0oazpaWaaSbaaSqaa8qacaaIXaaapaqabaaaaa@38D1@ and β 1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaHYoGypaWaaSbaaSqaa8qacaaIXaaapaqabaaaaa@38CD@ indicates that a larger influx of international students was correlated with a larger increase or a smaller decrease in domestic student enrolments. Similarly, negative estimates of the coefficients indicate that a larger influx of international students was correlated with a smaller increase or a larger decrease in domestic student enrolments. The two regression models were first estimated for all fields of study, then estimated separately for the STEM and BHASE fields. Two versions of the subgroup analysis were carried out to determine whether the relationship existed within the boundary of the same fields of study or institution-wide across the fields of the study. Both versions of the subgroup analysis used the outcome variable of the year-on-year changes in domestic student enrolments in study field s, Δ D ipt s MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamira8aadaqhaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeaapeGaam4Caaaaaaa@3C39@ . However, they differed in terms of their key explanatory variable. The first version used the influx of international students in study field s, Δ F ipt s  ,  MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamOra8aadaqhaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeaapeGaam4CaaaakiaacckacaGGSaGaaiiOaaaa@3F3D@ as a key explanatory variable, and a positive coefficient on Δ F ipt s MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamOra8aadaqhaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeaapeGaam4Caaaaaaa@3C3B@ is interpreted as a positive correlation between domestic and international enrolment growth within the fields of study. This specification assesses whether the correlation between domestic and international enrolment growth (e.g., crowding out or subsidizing) was limited within the fields of study. Meanwhile, the second version used field-specific outcome Δ D ipt s MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamira8aadaqhaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeaapeGaam4Caaaaaaa@3C39@ and the institution-wide influx of international students Δ F ipt MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamOra8aadaWgaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeqaaaaa@3B32@ as a key explanatory variable. This specification assesses whether domestic enrolment growth in a particular field was related to the growth of international enrolments at the institutional level (e.g., international students’ tuition fees collected at the institutional level could subsidize the operations in a field of study that does not attract many international students). A positive coefficient on Δ F ipt   MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaqGuoGaamOra8aadaWgaaWcbaWdbiaadMgacaWGWbGaamiDaaWd aeqaaOWdbiaacckaaaa@3C70@ indicates that domestic enrolment growth in field s had a positive correlation with international enrolment growth at the institution level.

For the regression analysis, standard errors were clustered by institution to take into account serial correlation within an institution. Each institution was weighted by its enrolment size.Note

Sample

The unit of observation in the regression analysis is an educational institution. If a university or college has more than one campus, each campus was analyzed as a separate institution. The regression sample consists of postsecondary institutions that were consistently observed every academic year from 2010/2011 to 2019/2020. The PSIS used an imputation procedure to infer some information for a small number of institutions that failed to provide microdata of enrolments. The imputed institutions were excluded from the sample. Also, records for offshore campuses of Canadian universities were excluded. The balanced sample excludes institutions that were newly established, closed permanently or imputed for at least one year during the period of interest. As a result, an extensive margin of enrolments through the establishment of new institutions to meet increased demand for Canadian postsecondary education or the closure of existing institutions because of a lack of demand was not examined. Also, postsecondary institutions in the territories were excluded because very few international students were in these regions. The restriction of 10 years of observations (i.e., nine observations of year-on-year changes) excluded a total of 61 institutions, consisting of 32 universities and 29 colleges. Three in five excluded universities and two in five excluded colleges were located in Ontario. The final sample used for the regression analysis includes a total of 236 institutions, with 107 universities and 129 colleges.Note

For each institution, enrolments of domestic and international students were counted at a single date of the fall semester in each academic year. Enrolments of students with unknown immigrant status in Canada and enrolments in upper secondary programs were not included.

Descriptive results

Trends in postsecondary enrolments of domestic and international students

According to official estimates from Statistics Canada, overall, domestic student enrolments increased from 1,821,246 in 2010/2011 to 1,847,490 in 2012/2013 and decreased gradually over the following years to 1,784,181 in 2019/2020 (Panel A of Chart 1). There was a growing trend of domestic enrolments in the STEM fields, increasing from 342,375 in 2010/2011 to 410,256 in 2019/2020. In contrast, the BHASE fields showed a downward trend, decreasing from 1,403,241 in 2010/2011 to 1,305,492 in 2019/2020.

Domestic students accounted for 92.7% of total enrolments in postsecondary programs in 2010/2011, and the percentage steadily decreased to 81.7% in 2019/2020 (Panel A of Chart 1). The percentage of domestic student enrolments decreased in both the STEM and BHASE fields but at a faster pace in the STEM fields than in the BHASE fields. Over the 10-year period, domestic enrolment shares decreased by 13.9 percentage points from 89.1% to 75.2% in the STEM fields and by 9.3 percentage points from 93.6% to 84.3% in the BHASE fields.

Over the same period, the number and percentage of international student enrolments in postsecondary programs steadily rose (Panel B of Chart 1). International student enrolments grew in number from 142,170 in 2010/2011 to 388,782 in 2019/2020 and in percentage from 7.2% to 17.8% of total enrolments. These upward trends were found in both the STEM and BHASE fields. From 2010/2011 to 2019/2020, the number of international student enrolments in the STEM fields more than tripled from 41,943 to 134,664, and the number in the BHASE fields more than doubled from 94,404 to 240,711. International student enrolments as a percentage of total enrolments more than doubled in both fields (from 10.9% to 24.7% in the STEM fields and from 6.3% to 15.5% in the BHASE fields).

Chart 1 Number and percentage of domestic and international student enrolments in postsecondary programs

Data table for Chart 1 
Data table for chart 1
Table summary
This table displays the results of Data table for chart 1 Total, STEM and BHASE, calculated using number and percentage units of measure (appearing as column headers).
Total STEM BHASE
number percentage number percentage number percentage
Domestic students
2010/2011 1,821,246 92.7 342,375 89.1 1,403,241 93.6
2011/2012 1,837,560 92.0 351,120 88.0 1,400,664 93.0
2012/2013 1,847,490 91.3 365,703 87.2 1,392,354 92.4
2013/2014 1,845,438 89.9 375,015 86.0 1,384,029 91.2
2014/2015 1,823,121 88.9 382,824 84.4 1,359,198 90.5
2015/2016 1,803,708 87.8 388,821 83.0 1,333,269 89.9
2016/2017 1,800,084 86.7 397,059 81.4 1,329,189 89.1
2017/2018 1,804,056 85.2 403,245 79.4 1,327,902 87.7
2018/2019 1,800,186 83.5 406,503 77.5 1,316,889 86.0
2019/2020 1,784,181 81.7 410,256 75.2 1,305,492 84.3
International students
2010/2011 142,170 7.2 41,943 10.9 94,404 6.3
2011/2012 158,106 7.9 47,499 11.9 103,056 6.8
2012/2013 174,249 8.6 53,583 12.8 112,530 7.5
2013/2014 199,059 9.7 60,753 13.9 128,523 8.5
2014/2015 217,521 10.6 70,437 15.5 136,158 9.1
2015/2016 228,924 11.1 78,759 16.8 141,444 9.5
2016/2017 256,494 12.4 89,955 18.4 157,686 10.6
2017/2018 296,496 14.0 104,205 20.5 180,879 12.0
2018/2019 341,964 15.9 117,531 22.4 211,608 13.8
2019/2020 388,782 17.8 134,664 24.7 240,711 15.5

Trends in yearly changes in postsecondary enrolments

Chart 2 shows year-on-year changes in the number of domestic student enrolments, together with year-on-year changes in the domestic population of young adults aged 18 to 24, which represents the age range of typical postsecondary students. The year-on-year changes in the domestic population of postsecondary students do not include the year-on-year changes in temporary residents, which encompass international students, temporary foreign workers and refugees.

As seen in Chart 2, domestic student enrolments grew from 2010/2011 to 2012/2013 but shrank every academic year from 2012/2013 to 2019/2020, except from 2016/2017 to 2017/2018. The size of the yearly decrease was largest in 2013/2014 and became smaller until 2016/2017. However, domestic student enrolments began to shrink again from 2017/2018, and annual decreases have grown in size since then. At the same time, the Canadian (Canadian-born and immigrant) population aged 18 to 24 decreased every year. Overall, the annual decreases in the domestic population at the typical postsecondary education age displayed patterns similar to the year-on-year changes in domestic student enrolments.

Meanwhile, there was an influx of international students to postsecondary institutions every academic year since 2010/2011, with the influx increasing in size since academic year 2015/2016.

Chart 2 Year-on-year changes in domestic and international student enrolments and the population of young adults aged 18 to 24

Data table for Chart 2 
Data table for chart 2
Table summary
This table displays the results of Data table for chart 2 Domestic students, International students and Domestic population aged 18 to 24 years, calculated using number units of measure (appearing as column headers).
Domestic students International students Domestic population aged 18 to 24 years
number
2010/2011 to 2011/2012 16,314 15,936 -7,030
2011/2012 to 2012/2013 9,930 16,143 -14,492
2012/2013 to 2013/2014 -2,052 24,810 -39,389
2013/2014 to 2014/2015 -22,317 18,462 -74,077
2014/2015 to 2015/2016 -19,413 11,403 -68,593
2015/2016 to 2016/2017 -3,624 27,570 -50,957
2016/2017 to 2017/2018 3,972 40,002 -42,185
2017/2018 to 2018/2019 -3,870 45,468 -53,258
2018/2019 to 2019/2020 -16,005 46,818 -67,786

Yearly changes in enrolments by selected characteristics

Yearly changes in domestic and international students were examined in two periods—the early 2010s (2010/2011 to 2015/2016) and the late 2010s (2015/2016 to 2019/2020)—to assess whether enrolment changes were different in the years after the easing of limits to study permit holders’ off-campus work hours (Table 1). Overall, domestic student enrolments decreased at a similar pace in the two periods, whereas international student enrolments increased at a faster pace in the second half of the 2010s. The average annual growth rate of international student enrolments increased from 10.0% in the early 2010s to 14.2% in the late 2010s.

Yearly changes in enrolments by institution type

When enrolments at universities and colleges were examined separately, on average, a decrease in domestic student enrolments was found for colleges but not for universities (Table 1). Domestic student enrolments in colleges decreased at an average annual growth rate of -0.8% to -0.9% in the 2010s, while those in universities increased at an average rate of 0.1% to 0.2% per year. International student enrolments increased both in universities and colleges. In particular, growth in international student enrolments in colleges accelerated in the late 2010s, with the average annual growth rate increasing from 11.7% in the early 2010s to 26.3% in the late 2010s. Since colleges tend to offer shorter programs than universities, it is possible that an increasing number of international students who intended to receive a Post-Graduation Work Permit and immigrate to Canada chose colleges over universities.


Table 1
Number and yearly changes of domestic and international student enrolments by institution type, field of study and level of study, 2010/2012 to 2019/2020
Table summary
This table displays the results of Number and yearly changes of domestic and international student enrolments by institution type Number of enrolments, Average yearly changes , 2010/2011, 2015/2016, 2019/2020, 2010/2011 to 2015/2016 and 2015/2016 to 2019/2020, calculated using number and percent units of measure (appearing as column headers).
Number of enrolments Average yearly changes
2010/2011 2015/2016 2019/2020 2010/2011 to 2015/2016 2015/2016 to 2019/2020
number percent
Total 1,964,640 2,053,737 2,183,973 0.9 1.5
Canadian students 1,821,246 1,803,708 1,784,181 -0.2 -0.3
International students 142,170 228,924 388,782 10.0 14.2
Not reported 1,224 21,105 11,010 76.7 -15.0
By institution type
University
Canadian students 1,126,551 1,136,901 1,142,091 0.2 0.1
International students 107,514 168,606 235,419 9.4 8.7
College
Canadian students 694,695 666,810 642,090 -0.8 -0.9
International students 34,653 60,318 153,360 11.7 26.3
By field of study
STEM
Canadian students 342,375 388,821 410,256 2.6 1.4
International students 41,943 78,759 134,664 13.4 14.4
Engineering and engineering technology
Canadian students 118,968 136,815 135,918 2.8 -0.2
International students 19,650 36,447 55,608 13.2 11.1
Mathematics and computer and information sciences
Canadian students 48,939 61,488 80,937 4.7 7.1
International students 9,447 19,803 44,427 16.0 22.4
BHASE
Canadian students 1,403,241 1,333,269 1,305,492 -1.0 -0.5
International students 94,404 141,444 240,711 8.4 14.2
Business and administration
Canadian students 283,122 277,200 265,593 -0.4 -1.1
International students 38,463 60,945 112,911 9.6 16.7
Arts and humanities
Canadian students 380,733 302,100 276,873 -4.5 -2.2
International students 23,343 28,104 40,872 3.8 9.8
By level of study
Postsecondary non-tertiary education
Canadian students 244,758 235,440 211,053 -0.8 -2.7
International students 5,118 11,241 25,416 17.0 22.6
Short-cycle tertiary education
Canadian students 312,636 316,818 317,769 0.3 0.1
International students 21,933 41,613 110,367 13.7 27.6
Bachelor's or equivalent
Canadian students 886,506 906,663 910,575 0.5 0.1
International students 66,120 109,629 160,842 10.6 10.1
Master's or equivalent
Canadian students 151,530 162,822 170,748 1.4 1.2
International students 20,391 31,611 45,438 9.2 9.5
Doctoral or equivalent
Canadian students 36,420 35,676 36,012 -0.4 0.2
International students 11,316 16,749 20,871 8.2 5.7
Not applicable, International Standard Classification of Education
Canadian students 156,690 121,689 111,852 -4.9 -2.1
International students 12,477 14,682 22,749 3.3 11.6

Yearly changes in enrolments by field of study

Over the 2010s, the STEM fields attracted increasingly more Canadian and international students (Table 1). The average growth rate of enrolments was much higher for international students than domestic students (13.4% vs. 2.6%, respectively, in the early 2010s). The enrolment trends varied across detailed fields of study within the STEM fields. In the fields of engineering and engineering technology, domestic student enrolments stagnated in the late 2010s and international student enrolments grew at a slower pace in the late 2010s than in the early 2010s. In contrast, enrolments in the fields of mathematics and computer and information sciences expanded throughout the 2010s, and at a faster pace in the late 2010s for both domestic and international students. In particular, the average growth rate of international student enrolments increased from 16.0% in the early 2010s to 22.4% in the late 2010s.

In the BHASE fields, domestic student enrolments decreased continuously at a slow pace, but international student enrolments grew steadily. The average annual growth rate of international students in the BHASE fields increased from 8.4% in the early 2010s to 14.2% in the late 2010s, which was almost the same rate as in the STEM fields (14.4%). Trends in the annual growth rates were similar in the two largest sub-fields in the BHASE fields—business and administration, and arts and humanities. In terms of changes in the number of enrolments, the increase in international student enrolments exceeded the decrease in domestic students in the fields of business and administration, and total enrolments expanded. Meanwhile, in the fields of arts and humanities, the decrease in domestic student enrolments outnumbered the increase in international students, leading to a decrease in total enrolments in those fields.

Yearly changes in enrolments by level of study

When changes in enrolments were examined by level of study, domestic student enrolments did not shrink in short-cycle tertiary education and bachelor’s and master’s degree programs in the 2010s (Table 1). In particular, master’s degree programs admitted a growing number of domestic students, and domestic enrolments in these programs increased by 12.7% from 2010/2011 to 2019/2020. Domestic student enrolments in short-cycle tertiary education (1.6%, or 5,133 in number) and bachelor’s degree programs (2.7%, or 24,069 in number) also had small increases over the nine years. Meanwhile, doctoral programs lost a small number of domestic enrolments in the early 2010s but kept their enrolment size relatively stable at around 36,600. Most decreases in domestic enrolments came from postsecondary non-tertiary education programs (-13.8%, or 33,705 in number) and some postsecondary programs that were not classified as the other five levels of study (-28.6%, or 44,838 in number).

In the early 2010s, postsecondary non-tertiary education had the fastest growth in international student enrolments, followed by short-cycle tertiary education. These two levels of study experienced a further large increase in the late 2010s. In particular, the average annual growth rate in short-cycle tertiary education programs increased from 13.7% in the early 2010s to 27.6% in the late 2010s, leading to a nearly fivefold increase in the number of international student enrolments from 21,933 to 110,367 during the 2010s. The average annual growth rates of international student enrolments in bachelor’s and master’s programs were significant and remained similar in the first and second halves of the 2010s. International student enrolments in bachelor’s programs increased by about 10% per year on average (from 66,120 in 2010/2011 to 160,842 in 2019/2020), while their enrolments in master’s programs increased by about 9% per year on average (from 151,530 to 170,748).

Yearly changes in enrolments by province

Different patterns of changes in domestic and international students were found across the provinces (Table 2). In the early 2010s, domestic student enrolments decreased in most provinces, except for Quebec and Saskatchewan. The slowest decrease was found in Ontario, with -0.2% of the average annual growth rate, and the fastest contraction was in New Brunswick (-3.8%). Compared with the early 2010s, in the late 2010s, Quebec and Saskatchewan experienced a decrease in domestic student enrolments, and Newfoundland and Labrador showed a faster decline. While domestic student enrolments in many provinces decreased steadily in the late 2010s, those in Prince Edward Island and Alberta increased.

Most provinces experienced an increase in international student enrolments in the early 2010s, except for New Brunswick. Manitoba had the fastest growth in international student enrolments, with an average annual growth rate of 16.8%. International student enrolments in Nova Scotia, Quebec and Alberta increased at a growth rate slightly slower than the national average (10.0%). In the late 2010s, the growth of international student enrolments accelerated considerably in Prince Edward Island, Nova Scotia and Ontario. In particular, international student enrolments in Ontario doubled from 96,492 in 2015/2016 to 192,906 in 2019/2020, with an average annual growth rate of 18.9%, well above the average growth rates in the other provinces, except for Prince Edward Island (24.7%). The growth of international student enrolments in Alberta and British Columbia increased in pace slightly in the late 2010s, but it slowed down in Manitoba and Saskatchewan.


Table 2
Number and yearly changes of domestic and international student enrolments by province, 2010/2012 to 2019/2020
Table summary
This table displays the results of Number and yearly changes of domestic and international student enrolments by province Number of enrolments, Average yearly changes, 2010/2011, 2015/2016, 2019/2020, 2010/2011 to 2015/2016 and 2015/2016 to 2019/2020, calculated using number and percent units of measure (appearing as column headers).
Number of enrolments Average yearly changes
2010/2011 2015/2016 2019/2020 2010/2011 to 2015/2016 2015/2016 to 2019/2020
number percent
Total 1,964,640 2,053,737 2,183,973 0.9 1.5
Canadian students 1,821,246 1,803,708 1,784,181 -0.2 -0.3
International students 142,170 228,924 388,782 10.0 14.2
By province
Newfoundland and Labrador
Canadian students 27,099 24,573 21,507 -1.9 -3.3
International students 1,401 2,406 3,741 11.4 11.7
Prince Edward Island
Canadian students 5,643 5,529 6,498 -0.4 4.1
International students 483 831 2,007 11.5 24.7
Nova Scotia
Canadian students 49,443 46,431 44,094 -1.2 -1.3
International students 5,082 7,662 12,939 8.6 14.0
New Brunswick
Canadian students 29,403 24,174 23,505 -3.8 -0.7
International students 3,528 3,342 4,404 -1.1 7.1
Quebec
Canadian students 471,531 489,999 470,040 0.8 -1.0
International students 29,460 43,107 59,700 7.9 8.5
Ontario
Canadian students 713,682 706,866 705,303 -0.2 -0.1
International students 56,058 96,492 192,906 11.5 18.9
Manitoba
Canadian students 58,551 55,332 54,171 -1.1 -0.5
International students 3,450 7,509 10,617 16.8 9.0
Saskatchewan
Canadian students 48,540 51,054 48,747 1.0 -1.1
International students 2,910 5,037 6,909 11.6 8.2
Alberta
Canadian students 174,870 167,946 179,178 -0.8 1.6
International students 12,210 17,478 24,636 7.4 9.0
British Columbia
Canadian students 241,305 228,351 226,488 -1.1 -0.2
International students 27,582 45,054 70,917 10.3 12.0

Regression results

In this section, regression models were estimated to examine the relationship between changes in domestic student enrolments and the influx of international students in postsecondary programs. Motivated by the variations in changes in domestic and international student enrolments across fields of study, subgroup analyses were carried out for the STEM and BHASE fields.

Baseline results

Regression results from a simple OLS model with the specification in Equation (1) and a fixed-effects model with the specification in Equation (2) are reported in Table 3. In the simple OLS model, the coefficient on year-on-year change in international students was positive but not statistically different from zero. When institution fixed effects, time fixed effects and changes in the domestic youth population were considered in the model, the coefficient increased but was still not statistically significant. Both models suggested no statistically significant relationship between changes in domestic and international student enrolments during the period from 2010/2011 to 2019/2020. According to the fixed-effects model, changes in the population of postsecondary education age had a positive relationship with changes in domestic student enrolment.

Subgroup analysis by field of study: STEM and BHASE

In this section, the relationship between changes in domestic student enrolments and the influx of international students was examined separately for the STEM and BHASE fields. Furthermore, analyses were carried out to disentangle whether the relationship existed within the same fields of study or institution-wide across the fields of study. Results are presented in Table 4.

When growth in both domestic and international enrolments was measured by field of study, the OLS results indicated a positive correlation between the growth in domestic and international student enrolments in the STEM fields. When institution-specific characteristics, time fixed effects and changes in the young adult population were considered, the correlation remained statistically significant.Note Changes in the young adult population did not have a relationship with domestic enrolment growth in the STEM fields. For the BHASE fields, results after adjusting for institution and time fixed effects showed that changes in domestic enrolments in the BHASE fields were positively correlated with the influx of international students in the fields and changes in the typical postsecondary-age population.

The relationship between domestic enrolment changes in specific fields of study and changes in total international enrolments at the institution level was not statistically significant for STEM or BHASE fields. This result is not consistent with the notion of cross-subsidization across programs.


Table 3
Regression analysis: Simple ordinary least squares model and fixed-effects model
Table summary
This table displays the results of Regression analysis: Simple ordinary least squares model and fixed-effects model. The information is grouped by Outcome: Year-on-year change in domestic enrolment (appearing as row headers), Simple OLS model and Fixed-effects model (appearing as column headers).
Outcome: Year-on-year change in domestic enrolment Simple OLS model Fixed-effects model
Year-on-year change in international enrolment
Coefficient 0.454 0.830
Standard error (0.419) (0.517)
Changes in population aged 18 to 24 in study province
Coefficient Note ...: not applicable 0.024Note **
Standard error Note ...: not applicable (0.007)
Year (reference year: 2011)
2012
Coefficient Note ...: not applicable 120.415
Standard error Note ...: not applicable (79.560)
2013
Coefficient Note ...: not applicable 59.113
Standard error Note ...: not applicable (88.052)
2014
Coefficient Note ...: not applicable -215.729
Standard error Note ...: not applicable (156.543)
2015
Coefficient Note ...: not applicable 241.067
Standard error Note ...: not applicable (146.261)
2016
Coefficient Note ...: not applicable 263.05Note *
Standard error Note ...: not applicable (132.829)
2017
Coefficient Note ...: not applicable 298.629
Standard error Note ...: not applicable (199.581)
2018
Coefficient Note ...: not applicable -14.682
Standard error Note ...: not applicable (168.362)
2019
Coefficient Note ...: not applicable -172.766
Standard error Note ...: not applicable (167.103)
Institution fixed effects No Yes
Number of observations 2,124 2,124
R-squared 0.051 0.173
F-test 1.177 3.561
Number of institutions 236 236

Table 4
Subgroup analysis by field of study
Table summary
This table displays the results of Subgroup analysis by field of study. The information is grouped by Outcome: Year-on-year change in domestic enrolment (appearing as row headers), 1) Both domestic and international enrolment by field of study, 2) Domestic enrolment by field of study
on total international enrolment, STEM and BHASE (appearing as column headers).
Outcome: Year-on-year change in domestic enrolment 1) Both domestic and international enrolment by field of study 2) Domestic enrolment by field of study
on total international enrolment
STEM BHASE STEM BHASE
Simple OLS model Fixed-effects model Simple OLS
model
Fixed-effects model Simple OLS
model
Fixed-effects model Simple OLS
model
Fixed-effects model
Year-on-year change in international enrolment
Coefficient 0.776Note * 1.217Note * 0.438 0.964Note ** 0.314 0.340 0.136 0.467
Standard error (0.353) (0.590) (0.276) (0.366) (0.178) (0.245) (0.255) (0.292)
Changes in population aged 18 to 24 in study province
Coefficient Note ...: not applicable 0.005 Note ...: not applicable 0.015Note * Note ...: not applicable 0.005 Note ...: not applicable 0.015Note *
Standard error Note ...: not applicable (0.003) Note ...: not applicable (0.007) Note ...: not applicable (0.003) Note ...: not applicable (0.007)
Year (reference year: 2011)
2012
Coefficient Note ...: not applicable 112.059 Note ...: not applicable 148.050 Note ...: not applicable 113.223 Note ...: not applicable 167.109
Standard error Note ...: not applicable (72.725) Note ...: not applicable (193.423) Note ...: not applicable (76.197) Note ...: not applicable (211.303)
2013
Coefficient Note ...: not applicable 18.958 Note ...: not applicable 199.428 Note ...: not applicable 31.543 Note ...: not applicable 215.762
Standard error Note ...: not applicable (49.822) Note ...: not applicable (178.547) Note ...: not applicable (51.806) Note ...: not applicable (200.009)
2014
Coefficient Note ...: not applicable -49.663 Note ...: not applicable -63.417 Note ...: not applicable 6.174 Note ...: not applicable -69.745
Standard error Note ...: not applicable (73.267) Note ...: not applicable (242.475) Note ...: not applicable (57.434) Note ...: not applicable (263.971)
2015
Coefficient Note ...: not applicable 68.234 Note ...: not applicable 144.312 Note ...: not applicable 142.430 Note ...: not applicable 143.664
Standard error Note ...: not applicable (70.577) Note ...: not applicable (113.915) Note ...: not applicable (97.913) Note ...: not applicable (118.855)
2016
Coefficient Note ...: not applicable 44.133 Note ...: not applicable 307.274Note * Note ...: not applicable 99.056 Note ...: not applicable 331.693Note *
Standard error Note ...: not applicable (68.105) Note ...: not applicable (131.626) Note ...: not applicable (80.466) Note ...: not applicable (156.062)
2017
Coefficient Note ...: not applicable 62.608 Note ...: not applicable 243.600 Note ...: not applicable 137.586 Note ...: not applicable 259.284
Standard error Note ...: not applicable (96.284) Note ...: not applicable (190.610) Note ...: not applicable (136.835) Note ...: not applicable (231.637)
2018
Coefficient Note ...: not applicable -67.127 Note ...: not applicable 62.475 Note ...: not applicable -43.464 Note ...: not applicable 141.101
Standard error Note ...: not applicable (75.838) Note ...: not applicable (122.902) Note ...: not applicable (75.910) Note ...: not applicable (159.411)
2019
Coefficient Note ...: not applicable -137.662 Note ...: not applicable 41.067 Note ...: not applicable -74.816 Note ...: not applicable 84.033
Standard error Note ...: not applicable (77.170) Note ...: not applicable (151.844) Note ...: not applicable (77.305) Note ...: not applicable (220.705)
Constant
Coefficient 9.469 -24.893 -156.983Note ** -232.278 38.032 35.106 -124.535 -226.092
Standard error (61.476) (107.864) (56.917) (195.013) (62.364) (106.090) (67.329) (178.809)
Institution fixed effects No Yes No Yes No Yes No Yes
Number of observations 1,719 1,719 2,124 2,124 1,719 1,719 2,124 2,124
R-squared 0.225 0.291 0.022 0.103 0.167 0.174 0.005 0.065
F-test 4.832 2.230 2.513 4.373 3.106 3.317 0.282 4.204
Number of institutions 191 191 236 236 191 191 236 236

Subgroup analysis by field of study and institution type

Table 1 shows that domestic student enrolments in colleges but not in universities decreased in the 2010s, whereas international student enrolments in both universities and colleges increased but at a much faster pace in colleges. The two versions of subgroup analysis were carried out separately by institution type to examine whether the relationship between domestic and international enrolment growth was different for universities and colleges (Table 5).

When the relationship within the STEM fields was examined separately for universities and colleges, a positive relationship between domestic and international enrolment growth was found only for universities.Note Also, changes in domestic enrolments in STEM programs at universities had a positive relationship with changes in the postsecondary-age population of Canadians and immigrants.

For enrolments in BHASE programs, a positive relationship between domestic and international enrolment growth within the fields was found only for colleges.Note A strong positive correlation between changes in domestic enrolments in BHASE programs and changes in the postsecondary-age population was found only for universities.


Table 5
Subgroup analysis by field of study and institution type
Table summary
This table displays the results of Subgroup analysis by field of study and institution type 1) Both domestic and international enrolment by field of study and 2) Domestic enrolment by field of study
on total international enrolment (appearing as column headers).
1) Both domestic and international enrolment by field of study 2) Domestic enrolment by field of study
on total international enrolment
All University College All University College
A. STEM
Year-on-year change in international enrolment
Coefficient 1.217Note * 1.405Note * 0.222 0.340 0.545 0.016
Standard error (0.590) (0.626) (0.132) (0.245) (0.317) (0.022)
Changes in population aged 18 to 24 in study province
Coefficient 0.005 0.007Note * 0.002 0.005 0.008 0.003
Standard error (0.003) (0.003) (0.002) (0.003) (0.004) (0.002)
Number of institutions 191 84 107 191 84 107
B. BHASE
Year-on-year change in international enrolment
Coefficient 0.964Note ** 1.067 0.986Note * 0.467 0.816 0.173
Standard error (0.366) (0.609) (0.482) (0.292) (0.469) (0.105)
Changes in population aged 18 to 24 in study province
Coefficient 0.015Note * 0.025Note ** -0.005 0.015Note * 0.025Note ** 0.004
Standard error (0.007) (0.007) (0.016) (0.007) (0.006) (0.011)
Number of institutions 236 107 129 236 107 129

Subgroup analysis by field of study and level of study

Table 6 shows results from examining the relationship between changes in domestic and international students in the same fields and levels of study. For the STEM fields, a positive relationship between domestic and international enrolments in bachelor’s degree or equivalent programs was found.Note In graduate STEM programs, the corresponding coefficient was not statistically significant.

For the BHASE fields, changes in domestic student enrolments in postsecondary non-tertiary or short-cycle tertiary programs were positively correlated with changes in international student enrolments in the programs as well as at the intuitional level. The corresponding coefficient in undergraduate BHASE programs was similar to its counterpart for the STEM fields, but not statistically significant. Changes in domestic enrolments in graduate BHASE programs had a positive and statistically significant relationship with institution-wide changes in total international enrolments but not with changes in international enrolments in the same fields.Note

Changes in the postsecondary-age population were positively correlated with domestic enrolments in graduate-level STEM programs. The relationship was strongest in undergraduate BHASE programs.


Table 6
Subgroup analysis by field and level of study
Table summary
This table displays the results of Subgroup analysis by field and level of study 1) Both domestic and international enrolment
by field of study and 2) Domestic enrolment by field of study
on total international enrolment (appearing as column headers).
1) Both domestic and international enrolment
by field of study
2) Domestic enrolment by field of study
on total international enrolment
Postsecondary
non-tertiary or
short-cycle tertiary
Bachelor's degree or equivalent Graduate degree or equivalent Postsecondary
non-tertiary or
short-cycle tertiary
Bachelor's degree or equivalent Graduate degree or equivalent
A. STEM
Year-on-year change in international enrolment
Coefficient 0.239 1.601Note * 0.042 0.004 0.518 0.014
Standard error (0.164) (0.730) (0.099) (0.023) (0.294) (0.017)
Changes in population aged 18 to 24 in study province
Coefficient 0.004 0.006Note * 0.003Note * 0.005Note * 0.007 0.003Note *
Standard error (0.002) (0.003) (0.001) (0.002) (0.004) (0.001)
Number of institutions 113 100 62 113 100 62
B. BHASE
Year-on-year change in international enrolment
Coefficient 0.589Note * 1.389 0.204 0.307Note ** 0.575 0.155Note *
Standard error (0.280) (0.721) (0.416) (0.112) (0.374) (0.076)
Changes in population aged 18 to 24 in study province
Coefficient 0.011 0.022Note ** 0.001 0.010 0.022Note ** 0.001
Standard error (0.006) (0.006) (0.005) (0.005) (0.007) (0.005)
Number of institutions 150 138 82 150 138 82

Discussion

The regression analysis did not find a statistically significant institution-wide relationship between changes in domestic and international students. However, when institution-specific characteristics and time effects were accounted for, changes in domestic enrolments in STEM programs at universities and bachelor’s degree STEM programs had a positive relationship with the influx of international students in the programs, but not at the institutional level across fields of study. Results were similar for changes in domestic enrolments in BHASE programs at colleges. For postsecondary non-tertiary or short-cycle tertiary programs in the BHASE fields, there was also a positive relationship between changes in domestic enrolments in this specific group and the institutional-level influx of international students. These results are different from those of Machin and Murphy (2017), which found no relationship in undergraduate programs in the United Kingdom where the number of subsidized domestic enrolments was regulated by quotas. Previous U.S. and U.K. studies also found crowd-in effects in graduate programs (Shih, 2017; Abegaz, Lahiri, & Morshed, 2020; Machin & Murphy, 2017). This study found differential results between the STEM and BHASE fields in Canadian graduate programs, finding a statistically significant and positive relationship in the BHASE fields but not in the STEM fields.

On the one hand, these positive relationships between changes in domestic and international enrolments may reflect a positive bias caused by some unobserved time-varying factors leading to changes in domestic and international enrolments at the same time. On the other hand, the findings from the regression analysis are consistent with the notion of cross-subsidization. Higher tuition fees collected from international students can provide resources to maintain or expand some instructional programs and potentially help subsidize the cost for domestic students (Shih, 2017). The cross-subsidization interpretation is also consistent with differences and changes in tuition for domestic and international students.

Table 7 shows the average tuition fees of full-time domestic and international students in undergraduate and graduate programs at publicly funded degree-granting institutions (universities and colleges) in academic year 2020/2021.Note Overall, the average tuition fees for international students were higher than those for domestic students, with much larger differences in undergraduate programs than in graduate programs. The international-to-Canadian tuition fee ratio was 4.9 for undergraduate programs. The ratio was lower in the (undergraduate) specialty programs where domestic tuition fees were also high, such as in the fields of law, dentistry, medicine and pharmacy. However, the ratio in undergraduate STEM programs varied between 4.4 in engineering fields and 5.6 in the fields of physical and life sciences and technologies. Similarly, the ratio in undergraduate BHASE programs varied between 4.5 in the fields of business, management and public administration and 5.4 in the fields of social and behavioural sciences, and legal studies.

In the 2010s, tuition fees increased at a faster rate than the overall average prices of consumer goods and services measured by the annual Consumer Price Index (CPI). During the period from academic year 2010/2011 to 2020/2021, international students’ tuition fees, especially for undergraduate programs, grew at a much faster pace than the fees for their domestic student counterparts. The average tuition fees of undergraduate Canadian students increased by 27.8% from $5,146 in 2010/2011 to $6,580 in 2020/2021 (Statistics Canada, 2022c), greater than the 17.6% increase of the CPI. During the 10 years, the average tuition fees for undergraduate international students grew by 90.2 percentage points from $16,842 to $32,039, and the growth in their fees did not slow down during the pandemic (Statistics Canada, 2022d). Over this same period, because of fast-growing average tuition fees and enrolments of international students, tuition fees from international students contributed more significantly to total tuition revenues of Canadian universities to make up for the reduction of provincial funding in universities’ budgets for their operational activities (Statistics Canada, 2022e).


Table 7
Average undergraduate and graduate tuition fees of domestic and international students by field of study, academic year 2020/2021
Table summary
This table displays the results of Average undergraduate and graduate tuition fees of domestic and international students by field of study. The information is grouped by Field of study (appearing as row headers), Undergraduate, Graduate, Canadian students (a), International students (b), International-to-Canadian tuition fee ratio (b/a), Canadian students (c), International students (d) and International-to-Canadian tuition fee ratio (c/d), calculated using dollars and times units of measure (appearing as column headers).
Field of study Undergraduate Graduate
Canadian students (a) International students (b) International-to-Canadian tuition fee ratio (b/a) Canadian students (c) International students (d) International-to-Canadian tuition fee ratio (c/d)
dollars times dollars times
Total, field of study 6,580 32,039 4.9 7,361 19,429 2.6
Education 4,801 22,842 4.8 6,523 17,135 2.6
Visual and performing arts, and communications technologies 5,843 27,431 4.7 5,506 15,619 2.8
Humanities 5,635 29,845 5.3 4,678 14,217 3.0
Social and behavioural sciences, and legal studies 5,639 30,320 5.4 6,008 16,040 2.7
Law 12,727 37,015 2.9 6,087 18,208 3.0
Business, management and public administration 6,864 31,095 4.5 14,052 26,472 1.9
Executive MBA Note ...: not applicable Note ...: not applicable Note ...: not applicable 51,005 63,005 1.2
Regular MBA Note ...: not applicable Note ...: not applicable Note ...: not applicable 29,065 39,674 1.4
Physical and life sciences and technologies 6,149 34,465 5.6 6,740 16,030 2.4
Mathematics, computer and information sciences 6,861 35,182 5.1 8,562 18,406 2.1
Engineering 8,067 35,527 4.4 7,037 21,717 3.1
Architecture 6,462 30,995 4.8 6,349 25,011 3.9
Agriculture, natural resources and conservation 5,693 28,661 5.0 5,896 14,886 2.5
Dentistry 22,408 56,244 2.5 12,995 25,120 1.9
Medicine 14,321 44,648 3.1 Note ..: not available for a specific reference period Note ..: not available for a specific reference period Note ..: not available for a specific reference period
Nursing 5,685 23,105 4.1 6,532 16,192 2.5
Pharmacy 11,154 39,855 3.6 4,171 13,396 3.2
Veterinary medicine 14,162 65,652 4.6 3,948 9,163 2.3
Optometry 10,687 Note ..: not available for a specific reference period Note ..: not available for a specific reference period 4,508 14,436 3.2
Other health, parks, recreation and fitness 5,993 24,973 4.2 8,570 19,620 2.3
Personal, protective and transportation services 5,777 26,861 4.6 4,500 12,550 2.8

Caution must be exercised in interpreting the results of this study. First, these results may be specific to the period of interest in this study and thereby related to some of the demographic changes that occurred during the 2010s. For example, the population of young adults aged 18 to 24 declined from 462,009 in 2008 to 410,851 in 2021 (Statistics Canada, 2022a). This demographic change stemmed largely from decreases in the number of births throughout the 1990s and the early 2000s (Statistics Canada, 2022f). Declines in the domestic young adult population lowered domestic demand for postsecondary programs and left vacant room for international students. Also, the decrease in domestic student enrolments may be related to the reduction of provincial funding in departmental budgets, since domestic student enrolments are subsidized by provincial funding. Because of the demographic change, postsecondary institutions may have needed to expand their international student enrolments and been able to do so without scaling domestic enrolments down.Note

However, demographic trends are projected to be the opposite in the next 10 years. The population of young adults aged 18 to 24 began to increase from its trough in 2021 and is projected to experience rapid growth until 2026, exceeding the level in 2008 (the most recent peak), and then continue to grow at a slower pace until 2034 (Statistics Canada, 2022g).Note This demographic change will lead to increased domestic demand for postsecondary education in the next decade if the tendency for Canadian young adults to participate in postsecondary education in Canada remains similar. Consequently, there may be a shift in the underlying relationship between changes in enrolments of domestic and international students in the next decade.

Furthermore, findings from this study are limited to publicly funded institutions because of the coverage of the PSIS. The PSIS does not cover private postsecondary institutions such as private academic and vocational colleges. Therefore, findings cannot be generalized to the entire postsecondary education system in Canada. Since enrolment data from private postsecondary institutions are not available, the number of study permit holders from the Longitudinal Immigration Database (IMDB) can provide a crude estimate of postsecondary enrolments in the institutions outside the scope of the PSIS. Because international students are generally required to receive study permits to enrol for postsecondary programs in Canada, the number of postsecondary study permit holders covers postsecondary enrolments in both public and private institutions.

As shown in Chart 3, the number of enrolled international students in the PSIS and the number of total valid study permit holders at the postsecondary level grew in tandem over the 2010s.Note However, the number of international students in the PSISPSIS was about 70% to 79% that of postsecondary study permit holders in the IMDB. Note that the number of postsecondary study permit holders from the IMDB could overestimate the actual number of international students who were studying in Canada. Differences in the number of international students between the IMDB and the PSIS at least partly reflect enrolments in private institutions, which were out of scope for the PSIS. The gaps may also be accounted for by some international students who received a study permit but did not come to Canada or those who left Canada or made a transition to the labour market before their study permit expired.

Chart 3 Trends in the number of international students from the Postsecondary Student Information System and the number of study permit holders from the Longitudinal Immigration Database

Data table for Chart 3 
Data table for chart 3
Table summary
This table displays the results of Data table for chart 3. The information is grouped by Academic year (appearing as row headers), Number of unique international students from the PSIS (x = academic year, y = person), Number of unique study permit holders from the IMDB (two-year average, x = calendar years, y = person) and PSIS to IMDB ratio, calculated using number of international students units of measure (appearing as column headers).
Academic year Number of unique international students from the PSIS (x = academic year, y = person) Number of unique study permit holders from the IMDB (two-year average, x = calendar years, y = person) PSIS to IMDB ratio
number of international students
2010/2011 181,539 255,005 0.71
2011/2012 202,569 281,535 0.72
2012/2013 216,369 310,605 0.70
2013/2014 260,514 339,400 0.77
2014/2015 279,798 364,550 0.77
2015/2016 297,822 401,975 0.74
2016/2017 339,225 469,570 0.72
2017/2018 397,950 558,600 0.71
2018/2019 460,629 655,600 0.70
2019/2020 524,403 667,115 0.79

Conclusions

Recent years have witnessed a small decrease of domestic student enrolments and a growing number of international students in Canadian postsecondary programs. This study examined the relationship between changes in domestic student postsecondary enrolments and the influx of international students during the 2010s. Positive relationships between changes in domestic and international student enrolments in STEM programs at universities and BHASE programs at colleges were found when institution-specific characteristics, aggregate time effects and demographic changes were considered. Also, domestic enrolments in non-degree postsecondary BHASE programs were positively correlated with the influx of international students, not only within the BHASE programs but also at the institutional level. Although this finding may be partly because of common shocks boosting enrolments of both domestic and international students at the same time, it is consistent with the notion that international students who pay three to five times higher tuition fees may subsidize domestic students in some postsecondary programs. Also, changes in domestic student enrolments in some postsecondary programs (such as BHASE programs at universities and bachelor’s degree BHASE programs) had a positive relationship with demographic changes in the domestic population of youth aged 18 to 24.

This study had some limitations. The scope of this study was limited to publicly funded postsecondary institutions because of data limitations, which excluded the non-trivial enrolments in private colleges, many of which strongly rely on international students, particularly in recent years. Moreover, as discussed earlier, findings from this study may be specific to the 2010s, when there were decreases in the domestic youth population of postsecondary education age. Because this trend has turned and is predicted to head in the opposite direction in the next decade, the relationship between domestic and international student enrolments should be revisited in the future. Also, the fixed-effects models used in this study may not be sufficient for the results to be interpreted as causal relationships. Despite these limitations, this study provided one of the first empirical analyses of the relationship between domestic and international student enrolments in the context of Canada, adding to the literature that had been based mainly on the United States and the United Kingdom.

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