Methodology of the Canadian Labour Force Survey

Warning View the most recent version.

Archived Content

Information identified as archived is provided for reference, research or recordkeeping purposes. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please "contact us" to request a format other than those available.

Content note: At this moment, full content is available in PDF only.

To access the PDF publication, please use the "Full content in PDF" link on the sidebar (on the left-hand side of this page).

Accessibility notice: If the following information is not accessible to you, please contact us for assistance or to obtain it in alternate formats.


The Canadian Labour Force Survey (LFS) is a source of monthly estimates of employment and unemployment. Following each decennial census, the LFS has undergone a sample redesign to reflect changes in population characteristics and to respond to changes in the information needs to be satisfied by the survey. The redesign program following the 2001 census culminated with the introduction of a new sample at the end of 2004. This report is a reference on the methodological and operational aspects of the LFS, covering stratification, sampling, survey operations, weighting, estimation and data quality.

You need to use the free Adobe Reader to view PDF documents. To view (open) these files, simply click on the link. To download (save) them, right-click on the link. Note that if you are using Internet Explorer or AOL, PDF documents sometimes do not open properly. See Troubleshooting PDFs. PDF documents may not be accessible by some devices. For more information, visit the Adobe website or contact us for assistance.