Illustrated Glossary
Aggregate dissemination area (ADA)

Release date: February 9, 2021
Dictionary, Census of Population, 2021 - Tables  Dictionary, Census of Population, 2021 - Figures 

Definition

An aggregate dissemination area (ADA) is a dissemination geography created for the Census. ADAs cover the entire country and, where possible, have a population between 5,000 and 15,000 based on the previous census population counts. ADAs are created by grouping existing dissemination geographic areas, including census tracts (CTs), census subdivisions (CSDs) or dissemination areas (DAs). ADA boundaries respect provincial, territorial, census division (CD), census metropolitan area (CMA) and census agglomeration (CA) boundaries.

For more information on the aggregate dissemination area, consult the Dictionary, Census of Population, 2021.

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Published by authority of the Minister responsible for Statistics Canada.

© Minister of Industry, 2017

Catalogue no. 92-195-X

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