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Population

Statistics on population and households - official population estimates, recent trends, small area data, density, population characteristics, household estimates, population and household projections.

The latest official estimate of the population of the City and County of Swansea stands at 247,000 (mid-2019 estimates, Office for National Statistics / ONS).  Swansea has the second highest population of the 22 Welsh local authorities, representing almost 8% of the total population of Wales (3,152,900).

Further information on the 2019 population statistics for Swansea, including breakdowns by age and sex, data for other local authorities, Wales and UK, and the most recent trends (2018-19), is available in a PDF Document briefing note* (PDF, 1MB)Opens new window on this page.  The mid-2019 population by single year of age Excel Document data for Swansea (Excel, 58KB)Opens new window is also available, to enable further calculations and analysis.

Between 2018 and 2019, Swansea's estimated population increased by approx. 500 (+0.21%).  This is below the latest average increase in Wales (+0.45%) and the 15th highest annual growth rate (%) of Wales' 22 local authority areas.  The data suggests that Swansea's population growth during the year to June 2019 was due to net international in-migration (+1,500 approx.), partly offset by internal (UK-based) out-migration (-800 net approx.) and negative natural change (200 more deaths than births in the year).

More detailed information on population and demography is included in the following pages: 

A broad range of statistics on population and household characteristics are also available via our 2011 Census pages.  In some cases the Census remains the most appropriate data source.

If you have further enquiries regarding population statistics in Swansea, please contact us.

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