1931 Census of England and Wales, General Report, Table 10 : " Intercensal Movements of Population in Regions, 1911-1931".

  Census Pop-
ulation 1911		 Estimate of Resident Population as at the Middle of Increase or Decrease (-) 1911-1921 Decennial Increase or Decrease (-) in Estimated Resident Population 1921-1931
Total By Births and Deaths By Migration
1921 1931 Amount Per Cent. Amount Per Cent. Amount Per Cent. Amount Per Cent.
ENGLAND AND WALES 36,072 37,886 39,988 1,814 5.0 2,102 5.6 2260 6 -157 -0.4
 
S.E. South East 11,703 12,190 13,502 487 4.2 1,312 10.8 679 5.6 633 5.2
Greater London 7,251 7,536 8,238 285 3.9 702 9.3 458 6.1 244 3.2
N.1 Northumberland and Durham 2,067 2,238 2,248 171 8.3 10 0.5 217 9.7 -207 -9.2
N.2 Northern Rural Belt 1,182 1,230 1,281 48 4.1 51 4.1 87 7.0 -36 -2.9
N.3 West Riding 3,128 3,305 3,443 177 5.7 138 4.2 181 5.5 -43 -1.3
N.4 Lancashire and Cheshire 5,722 6,003 6,128 281 4.9 125 2.1 280 4.7 -155 -2.6
M.1 West Midlands 4,012 4,307 4,540 295 7.4 233 5.4 306 7.1 -72 -1.7
M.2 East Midlands 2,113 2,222 2,377 109 5.2 155 7.0 153 6.9 3 -0.1
E. Eastern Counties 1,731 1,763 1,822 32 1.8 59 3.3 99 5.6 -41 -2.3
S.W. South West Counties 1,993 1,970 2,057 -23 -1.2 87 4.4 67 3.4 20 1.0
W.1 South Wales 1,736 1,967 1,899 231 13.3 -68 -3.4 169 8.6 -237 -12.0
W.2 North and Central Wales 685 691 691 6 0.9 0 0.0 22 3.2 -22 -3.2