This dashboard has the latest statistics on the total population for constituencies in the UK, with a breakdown by age.

You can view figures for specific age groups or find data for a custom age range.

Data is collected differently in the different countries of the UK. The most recent figures for England and Wales are estimates for the end of June 2022. For Northern Ireland, the most recent data comes from the 2021 census, which tells us about the population on Census Day (21 March 2021).

Scotland’s census was delayed by a year. The most recent figures are estimates for the end of June 2021.

Use the dropdown menu below to select the constituency you’re interested in and view key statistics.

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Download all data in Excel (5.7 MB)

If you would like to access this information in an alternative format please email papers@parliament.uk and we will review your request.


Notes and sources

England and Wales

Office for National Statistics, Parliamentary constituency population estimates (official statistics in development)

Office for National Statistics, Population estimates for England and Wales, mid-2022

This data shows the estimated population at mid-year (30 June) 2022. These figures are estimates, based on 2021 census results combined with assumptions about births, deaths and migration.

Data is published for single years of age up to age 90. The category “90” in this data represents everyone aged 90 and over.

Northern Ireland

Northern Ireland Statistics and Research Agency, 2021 census flexible table builder

This data shows the population on Census Day, 21 March 2021.

Data is published for single years of age up to age 100. The category “100” in this data represents everyone aged 100 and over.

Totals in the published data are adjusted to protect privacy. This means that the totals in this dashboard may be slightly different from those shown in other census datasets.

Scotland

National Records of Scotland, UK parliamentary constituency population estimates (2011 Data Zone based)

This data shows the estimated population at mid-year (30 June) 2021. These figures are estimates, based on 2011 census results combined with assumptions about births, deaths and migration.

Data is published for single years of age up to age 90. The category “90” in this data represents everyone aged 90 and over.

Data updates

This dashboard will be updated as soon as possible when more up-to-date population figures become available.

The next update for England and Wales will show population estimates for mid-2023. The next update for Northern Ireland will show population estimates for mid-2022. The next update for Scotland will show constituency data from Scotland’s 2022 census.

MPs and their staff can contact the Commons Library with queries about updates.

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