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We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.
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Zero net migration (natural change only) variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
Principal projection for the UK including population by broad age group, components of change and summary statistics.
Zero net migration (natural change only) variant projection for England - population by five-year age groups and sex.
Principal projection for Wales - population by five-year age groups and sex.
Zero net migration (natural change only) variant projection for the UK including population by broad age group, components of change and summary statistics.
Estimated total international migration for the UK, for years ending mid-2014 to mid-2023 used in assumption setting for national population projections: 2021-based interim. Short- and long-term UK-level international migration assumptions used in national population projections: 2021-based interim.
Tools to locate the dataset tables and supporting documentation for the 2014, 2016, 2018 and 2020-based interim national population projections. Contains links to the principal and (where available) variant projections for the UK and constituent countries for 100 years ahead.
Open data for UK principal and variant projections. Single year of age and sex with underlying data.
Principal projection for Great Britain - population by five-year age groups and sex.
Principal projection for Great Britain including population by broad age group, components of change and summary statistics.