1921 Census of England and Wales, General Report with Appendices, Table 87 : " Population in various Language and Age Groups compared with expected survivors from corresponding Groups in 1911 at ages 10 years younger".

Age in 1921. English Only.
Expected
Survivors
from 1911.
Actual. Actual less
Expected.
3—5 62
5—15 353
15—25 274 294 20
25—45 413 452 39
45—65 241 244 3
65 and over 59 61 2
       
Age in 1921. Welsh Only.
Expected
Survivors
from 1911.
Actual. Actual less
Expected.
3—5 10.7
5—15 34.2
15—25 37.8 17.0 -20.8
25—45 37.1 32.1 -5.0
45—65 39.8 39.1 -0.7
65 and over 26.0 22.9 -3.1
       
Age in 1921. English and Welsh.
Expected
Survivors
from 1911.
Actual. Actual less
Expected.
3—5 15
5—15 134
15—25 141 147 6
25—45 272 248 -24
45—65 186 173 -13
65 and over 53 49 -4