1911 Census of England and Wales, General Report with Appendices, Table 11 : " "Greater London". - Population at each Census, 1861-1911".

  POPULATION. Rates of Increase or Decrease per cent.
1861 1871 1881 1891 1901 1911 1861
to
1871
1871
to
1881
1881
to
1891
1891
to
1901
1901
to
1911
1861
to
1911
Administrative
County of London
2,808,494 3,261,396 3,830,297 4,227,954 4,536,267 4,521,685 16.1 17.4 10.4 7.3 -0.3 61.0
Outer Ring 414,226 624,245 936,363 1,405,852 2,045,135 2,729,673 50.7 50.0 50.1 45.5 33.5 559.0
Greater London 3,222,720 3,885,641 4,766,661 5,633,806 6,581,402 7,251,358 20.6 22.7 18.2 16.8 10.2 125.0