Historical Census Population

Name: Historical Census Population
Creator: Greater London Authority

data.gov.uk (National Data Library) no licence stated Greater London Authority · updated 2026-08-13

Estimates of London's population between 1801 and 2021 (persons present 1801 to 1971 and usual residents for 1981 to 2021) derived from historic Census data. Figures for years before 1931 are estimates by the Greater London Council published in Research Memorandum 413, 'The Changing Population of the London Boroughs'. Figures for 1931, 1951, and 1961 were published in 'Census 1961 Greater London Tables'; Figures for 1971 to 2021 are taken from individual censuses.

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Contains public sector information licensed under the Open Government Licence v3.0 and other licences as stated per dataset. Metadata collated by the UK Open Data Index.