For the 2021 census, it reported being unable to collect information from 63 First Nations reserves and other communities. Many did not provide permission for the agency to enter.

The national statistics office says some 57,000 people recorded in last year's census as English speakers really had French as their mother tongue, but were incorrectly classified because of a computer error.

Statistics Canada says it is correcting recently released census data about the number of English speakers in some smaller Quebec communities.