1911 Census of England and Wales, General Report with Appendices, Table 72: " Proportion per cent. of Population living under Various Conditions of Room Accomodation in England and Wales, London, and the Totals of County Boroughs, other Urban Districts and Rural Districts".

Average number of
occupants per room.
England
and
Wales.
London. Total of
County
Boroughs.
Total of
other Urban
Districts.
Total of
Rural
Districts.
Total of
all Urban
Districts.
½ or less 9.7 5.7 9.0 10.6 11.4 9.2
Over ½ but less than 1 22.0 14.9 21.6 23.9 23.5 21.6
1 15.0 14.5 15.5 15.0 14.5 15.1
Over 1 but not over 1½ 23.2 20.8 24.5 23.4 22.2 23.5
  "   1½      "      2 15.9 20.1 17.0 14.9 13.8 16.5
  "   2      "      2½ 4.8 7.5 5.1 4.3 3.9 5.1
  "   2½      "      3 2.8 6.2 2.8 2.1 1.9 3.0
  "   3 but less than 4 0.8 1.7 0.7 0.6 0.5 0.8
4 and over 0.7 2.3 0.8 0.4 0.3 0.9
Population in tenements of over 9 rooms 5.1 6.3 3.0 4.8 8.0 4.3
Totals 100.0 100.0 100.0 100.0 100.0 100.0