Age pyramid
Histogram (column diagram) that shows population distribution by age and sex.

Base population
The population used as the starting point for population projections.

Bilingualism
The ability to conduct a conversation in English and in French.

Bilingualism rate
The number of bilingual people divided by the total population.

Census metropolitan area
Area consisting of one or more adjacent municipalities centered on a population core. It has a population of at least 100,000, of which 50,000 or more live in the core.

Canadian population
Population whose usual place of residence is Canada. It includes Canadian citizens by birth, naturalized and non-naturalized immigrants and non-permanent residents.

Cohort-component method
Method used for population estimates or projections that is based on the components of demographic change and a base population as input. The phrase "cohort-component method" is usually restricted to methods projecting the future evolution of cohorts by age and sex, as opposed to other methods, such as microsimulation, that also use components of population growth but that project the demographic destiny of individuals.

Components of population growth
Any class of event that generates population changes. For example, births, deaths and migration are components that modify either the size of the total population or its composition by age and sex.

Ethnocultural diversity
In this document, the notion of ethnocultural diversity refers to diversity as it relates to generation status, and birthplace. Clearly, this operational definition does not cover all forms of ethnocultural diversity, which could therefore be defined through other variables.

Fertility
A demographic phenomenon related to live births that can be considered from the point of view of women, the couple and, very occasionally, men.

First official language spoken
Refer to a variable specified within the framework of the Official Languages Act used to identify the first official language spoken by a person (i.e., English or French). This information is derived from three language questions from the census (in this order): knowledge of the official languages, the language first learned at home and still understood, and the language spoken most often at home.

Generation status based on immigration status
The respondent’s generation rank since the settlement of his/her family (meaning direct ascendants) in Canada. In the context of Demosim, immigrants are the first generation; the second generation refers to non-immigrants born in Canada to at least one foreign-born parent; the generations that follow (third or more) comprise non-immigrants born in Canada to two Canadian-born parents.

Immigrant
A person who has been granted the right to live in Canada permanently by immigration authorities.

Immigration
The sum of all immigrants from other countries landing in Canada, involving a change in usual place of residence.

Immigration rate
The number of immigrants divided by the size of the population during a given period.

Intergenerational language continuity index
The intergenerational language continuity index is the ratio between the number of children with the mother tongue in question and the number of children whose mother has this mother tongue.

Internal migration
The sum of all population movements between the geographic units within Canada's geographical boundaries, involving a change in usual place of residence.

International migration
The sum of all movements between Canada and other countries, involving a change in usual place of residence.

Interregional migration
The sum of all movements among the 50 main geographic entities defined in Demosim, namely the 35 regions derived from the census metropolitan areas and the 15 regions derived from elsewhere in the provinces and territories.

Intraregional migration
The sum of all movements within one of the 50 main geographic entities defined in Demosim, namely one of the 35 regions derived from the census metropolitan areas or one of the 15 regions derived from elsewhere in the provinces and territories.

Language most often spoken at home
The language spoken most often by the respondent at home.

Language substitution
See "language transfer".

Language transfer
Refer to the phenomenon that occurs when a person adopts a language other than his or her mother tongue as the language spoken most often at home.

Language transmission
See "linguistic mobility".

Life expectancy
A statistical measure derived from the life table, indicating the average number of years of life remaining for a population at a specific age "x", calculated on the basis of the mortality rates estimated in a given year.

Linguistic mobility
A generic term that, in the context of Demosim, refers to both the transmission of languages from parents to children (intergenerational linguistic mobility) and the changes that can occur over an individual’s lifetime with respect to the languages spoken at home or the languages known (intragenerational linguistic mobility).

Median age
An age "x", such that exactly one half of the population is older than "x" and the other half is younger than "x".

Microsimulation
Unlike population estimates and projections produced using the cohort-component method, microsimulation simulates the demographic destiny of each individual. The method is based on multiple random drawing at the individual level rather than on aggregated data applied at the population group level.

Migratory increase
The change in the size of a population owing to the difference between the number of migrants who settle within a geographic area and the number of migrants who leave that same area during a given period.

Mother tongue
The first language learned at home in childhood and still understood.

Natural increase
The change in the size of a population owing to the difference between the number of births and the number of deaths during a given period.

Net undercoverage
Difference between the number of people who were targeted by the census but who were not enumerated (undercoverage), and the number of people who were enumerated when they should not have been, or who were enumerated more than once (overcoverage).

Population increase or total increase
The change in the size of a population between two dates.

Population projection
The future population size resulting from a set of assumptions regarding the demographic and non-demographic components of growth.

Projection scenario
A set of assumptions relating to the components, demographic or otherwise, used to make a population projection.

Total fertility rate
The sum of age-specific fertility rates during a given year. It indicates the average number of children that a generation of women would have if, over the course of their reproductive life, they experienced the age-specific fertility rates observed during the year considered.


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