Age Groups (13) and Sex (3) for the Population of Canada, Provinces and Territories, 1921 to 2011 Censuses Geography = Canada [1] Census year (16) = 2011 Age groups (13) Total - Sex Male Female Total - Age groups 33476690 16414225 17062460 0 to 4 years 1877095 961150 915945 5 to 9 years 1809895 925965 883935 10 to 14 years 1920355 983990 936360 15 to 24 years 4365585 2224625 2140965 25 to 34 years 4332490 2136090 2196400 35 to 44 years 4498805 2205915 2292890 45 to 54 years 5334100 2627740 2706355 55 to 64 years 4393300 2149990 2243315 65 to 74 years 2674775 1281445 1393330 75 to 84 years 1624770 709025 915740 85 years and over 645510 208300 437210 Median age [2] 40.6 39.6 41.5 Note [1] Excludes census data for one or more incompletely enumerated Indian reserves or Indian settlements. [2] The median age is an age 'x', such that exactly one half of the population is older than 'x' and the other half is younger than 'x'. Source: Statistics Canada - 2011 Census. Catalogue Number 98-311-XCB2011017.