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Census

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.  In England and Wales, the Census is undertaken by the Office for National Statistics (ONS), with the latest Census held on 21 March 2021.

Links to further information and local statistics from the Census are available below.

2021 Census first results

ONS published the first census results for local authority areas in England and Wales on 28 June 2022.  Further information on the initial results for Swansea are available here: 2021 Census Swansea results

Population characteristics

A broad range of 2021 Census statistics for Swansea on population and household characteristics, grouped by a similar theme, are available at this link: 2021 Census population characteristics

Local area statistics

A selection of key 2021 Census data for Swansea's electoral wards and constituency areas is included in our area profiles.  The profiles bring together a range of key statistics, including from the Census, and other information about local areas in Swansea.

About the 2021 Census

Further background and external links to information about the 2021 Census is available at: 2021 Census background.

Previous census data

Local statistics and information from the 2011 Census are available here: 2011 Census.   For local enquiries about earlier Censuses, please contact us.

2021 Census: first results

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.

2021 Census: population characteristics

This page provides 2021 Census information and statistics on population and household characteristics in Swansea by theme.

About the 2021 Census

Census Day was Sunday 21 March, 2021.
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Last modified on 14 March 2025