The 2021 census recorded a total federal population of 36,991,981, living in 14,978,941 of its 16,284,235 private dwellings. With a land area of 8,788,702.80 km 2 (3,393,337.12 sq mi), its population density was 4.21/km 2 (10.90/sq mi). Canada's most- and least-populated provinces were Ontario and Prince Edward Island, respectively.

These 2021 Census products provide statistical information about the population, age, sex at birth and gender, type of dwelling, families, households and marital status, Canadian military experience, income, language, Indigenous peoples, housing, immigration, place of birth and citizenship, ethnocultural and religious diversity, mobility and migration, education, labour, and commuting as measured in the Census Program.