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

The latest estimate of the population of the City and County of Swansea stands at 245,500 (Mid Year Estimate, 2017). Swansea now has the second highest population of the 22 Welsh local authorities, representing almost 8% of the total population of Wales (3,125,200).

Further information on the 2017 population statistics for Swansea, including breakdowns by age and sex, data for other local authorities, Wales and UK, and the most recent trends (2016-17), is available in a PDF Document briefing note* (PDF, 1MB)Opens new window on this page.

Between 2016 and 2017, Swansea's population increased by approx. 1,000 (+0.4%).  This is in line with the average increase across Wales and the fifth highest annual growth rate (%) of Wales' 22 authorities - Vale of Glamorgan being the highest (+1.4%).  Analysis of the supporting data released with the estimates suggests that Swansea's population growth during the year to June 2017 was mainly from net international in-migration (+1,300 approx.), partly offset by negative natural change (around 300 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.

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

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