Statistics Canada
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Adjustment of population counts
Statistics Canada is taking additional measures to protect the privacy of all Canadians and the confidentiality of the data they provide to us. Starting with the 2001 Census, some population counts are adjusted in order to ensure confidentiality.
Counts of the total population are rounded to a base of 5 for any block having a population of less than 15. Population counts for all standard geographic areas above the block level are derived by summing the adjusted block counts. The adjustment of block counts is controlled to ensure that the population counts for dissemination areas will always be within 5 of the actual values. The adjustment has no impact on the population counts of census divisions and large census subdivisions. Dwelling counts are unadjusted.
