Illustrated Glossary
Aggregate dissemination area (ADA)


The aggregate dissemination area (ADA) is a new dissemination geography created for the 2016 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 from existing dissemination geographic areas and are formed from census tracts (CTs), census subdivisions (CSDs) or dissemination areas (DAs). ADAs respect provincial, territorial, census division (CD), census metropolitan area (CMA) and census agglomeration (CA) with census tract (CT) boundaries.

For more information on the aggregate dissemination area, consult the Dictionary, Census of Population, 2016.

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