Average height, by age

 Age Girls Boys
cm cm
8 or younger 133.2 138.2
9 138.9 139.1
10 145.1 144.4
11 151.8 151.0
12 156.8 157.2
13 160.6 165.0
14 162.9 170.5
15 164.1 174.2
16 166.2 177.3
17 164.9 177.9
18 168.9 178.0
19 or older 161.3 186.9

Source: Census at School Canada, 2017-2018