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The Census is the largest single survey of the UK population.

The Census aims to count all people and households at the same time. By asking a core set of questions it allows comparison between different areas and different groups of people.

The information from the Census enables central and local government to target resources and plan service provision more effectively.  It also provides a broad range of demographic, social and economic statistics for use by other public services, the business and academic sectors, and the community.

The Census has been carried out on a single nominated day every 10 years since 1801, with just one interruption (during the Second World War) in 1941.  In England and Wales, the Census is currently undertaken by the Office for National Statistics (ONS).  Elsewhere in the UK, responsibility lies with National Records of Scotland and the Northern Ireland Statistics and Research Agency.

2021 Census: First results published.  

ONS published the first census results for local authority areas in England and Wales on 28 June 2022.  For further information on the initial results for Swansea, visit

Background information about the 2021 Census is available via

2011 Census: Information and local statistics.

Local statistics and information from earlier Censuses: 2001 and 1991.

2021 Census results for Swansea

The first census results for local authority areas in England and Wales were published by the Office for National Statistics (ONS) on 28 June 2022.

About the 2021 Census

Census Day was Sunday 21 March, 2021.

2001 Census

2001 Census statistics for local areas in Swansea.

1991 Census

Summary local information from the 1991 Census.
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