Employment for all employees by enterprise size, annual^{1, 2, 3}

The quality indicators take into account various factors that affect the quality of the data, notably the CV, the non-response errors and the imputation errors. Quality indicators indicate the following: A - Excellent; B - Very good; C - Good; D - Acceptable; E - Use with caution; F - Too unreliable to publish or sample size is too small to produce reliable estimates.

The introduction of administrative data in 2001 and the associated change in methodology resulted in level shifts for some series. This affects the comparability of pre- and post-2001 estimates.

Industry estimates in this table are based on the 2022 North American Industry Classification System (NAICS) Version 1.0.

Industrial aggregate covers all industrial sectors except those primarily involved in agriculture, fishing and trapping, private household services, religious organisations and the military personnel of the defence services.

Unclassified businesses (00) are businesses for which the industrial classification (North American Industry Classification System [NAICS] 2022 Version 1.0) has yet to be determined.

An enterprise is a business organization consisting of one or more domestic establishments that were specified under common ownership or control. The "enterprise" and the "establishment" are the same for single-establishment companies. Each multi establishment company forms one enterprise. The SEPH enterprise size of employment is based on the total employment for the "enterprise", and this category is used across all provinces and territories.