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Census Public Use Microdata File (PUMF), 2021

Canada, 2021
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Reference ID
STATCAN_CAN_2021_PUMF_v2.1
Producer(s)
Statistics Canada
Collections
Other organizations Americas
Metadata
Documentation in PDF DDI/XML JSON
Created on
Oct 03, 2023
Last modified
Oct 03, 2023
Page views
204
  • Study Description
  • Get Microdata
  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data Collection
  • Metadata production

Identification

Survey ID Number
STATCAN_CAN_2021_PUMF_v2.1
Title
Census Public Use Microdata File (PUMF), 2021
Country
Name Country code
Canada CAN
Abstract
Statistics Canada conducts the Census of Population in order to paint a statistical portrait of Canada and Canadians on one specific day. The census is designed to provide information about people and housing units in Canada by their demographic, social and economic characteristics.

The Census of Population is a reliable basis for the estimation of the population of the provinces, territories and municipal areas. These counts are essential for maintaining Canada’s equitable representation, as they are used to set electoral boundaries; estimate the demand for services in minority official languages; and calculate federal, provincial and territorial transfer payments.

The census also provides information about the characteristics of the population and its housing within small geographic areas and for small population groups to support planning, administration, policy development and evaluation activities of governments at all levels. The information provided by the census for these geographic areas and population groups is also used by the private sector as well as data users in their decision-making process.

In 2021, for the first time, immigrant status and year of immigration was obtained from administrative files provided by Immigration, Refugees and Citizenship Canada (IRCC). These data provide vital information to help understand the living conditions and socioeconomic outcomes of immigrants and their children in Canada.

Kind of Data
Census/enumeration data [cen]
Unit of Analysis
Household and individual

Version

Version Description
v2.1: Edited, cleaned and anonymised data.

Scope

Notes
The scope includes:
- Families, households and marital status
- Family characteristics of individuals
- Population and demography
- Census counts
- Other content related to Census counts
Keywords
Keyword
PUMF

Coverage

Geographic Coverage
Whole country
Universe
The census enumerates the entire Canadian population, on a “usual residence” basis (de jure). The population enumerated consists of usual residents of Canada who are Canadian citizens (by birth or by naturalization), landed immigrants and non-permanent residents and their families living with them in Canada. Non-permanent residents are persons who hold a work or student permit, or who claim refugee status.

The census also counts Canadian citizens and landed immigrants who are temporarily outside the country on Census Day. This includes federal and provincial government employees working outside Canada, Canadian embassy staff posted to other countries, members of the Canadian Forces stationed abroad, all Canadian crew members of merchant vessels and their families. Because people outside the country are enumerated, the Census’ population concept is considered a “modified” de jure census.

Foreign residents such as representatives of a foreign government assigned to an embassy, high commission or other diplomatic mission in Canada, and residents of another country who are visiting Canada temporarily are not covered by the census.

Producers and sponsors

Primary investigators
Name
Statistics Canada

Sampling

Sampling Procedure
For the census long-form, a random sample of 1 in 4 private dwellings in Canada is selected systematically. The sample size was determined to ensure the dissemination of reliable estimates for small areas and small populations. The long-form sample is selected from the 2021 Census of Population dwelling list.
Weighting
A weight was produced and associated with each responding household of the long-form sample. Persons, census families and economic families inherit the weight of their household. The weight was used to estimate population parameters.
A weight was first calculated for all the dwellings of the sample based on the sample design as the inverse of the probability of selection. In remote areas and Indian reserves, where the long form was used to collect the information of all households, this was the final weight and data imputation was performed for all cases of total and partial non-response.

Data Collection

Dates of Data Collection
Start End
2021-05-03 2021-07-29
Data Collection Mode
Other [oth]
Data Collection Notes
Responding to the survey was mandatory and data were collected directly from survey respondents. The census reference date was May 11, 2021.

Collection included response by Internet, paper questionnaire, the Census Help Line, and failed-edit and non-response follow-up.

Statistics Canada used a wave methodology throughout the collection period to remind the majority of Canadians to complete their census questionnaires.
The first wave took place during the first week of collection when an invitation letter was sent out to most dwellings across the country. This first letter provided instructions on how to complete the questionnaire online with a secure access code, the date by which the questionnaire should have been completed, as well as the census website address and toll-free Census Help Line number for support. During the second week of collection, a reminder was sent to households that had not yet completed their questionnaire. This letter also provided instructions on how to complete the questionnaire, as well as the census website address and toll-free Census Help Line number for support. By the third week of collection, households that had not yet completed a questionnaire received a final notice informing them that a Statistics Canada representative was going to visit their household or contact them by phone to complete the questionnaire.
Statistics Canada subsequently conducted follow-up activities with non-responding households to complete their questionnaires, either door to door or by phone.

The 2021 Census of Population questionnaires (short and long-forms) were similar to those used in the 2016 Census, with some revised and new content.
Data Collectors
Name
Statistics Canada

Metadata production

DDI Document ID
STATCAN_CAN_2021_PUMF_v2.1
Producers
Name
Statistics Canada
Date of Metadata Production
2023-09-21
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