National population projections by age and sex for the UK and constituent countries. Includes information on the principal (main) and variant (alternative scenario) projections for each country together with details of the fertility, mortality and migration assumptions on which they are based.
Publications
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National population projections: 2016-based extra variants
In addition to the principal projection, variant projections are produced based on alternative assumptions of future fertility, mortality and net migration. This release presents the data for an additional six combination and special case variant projections.
Data
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Young age structure variant - Northern Ireland summary
Young age structure variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Z5 - Zipped population projections data files - extra variants, Scotland
Open data for Scotland extra variant projections. Single year of age and sex with underlying data.
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Replacement fertility variant - UK population in age groups
Replacement fertility variant projection for the UK - population by five-year age groups and sex.
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Constant fertility and no mortality improvement variant - UK population in age groups
No change variant projection for the UK - population by five-year age groups and sex.
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No mortality improvement variant - Wales population in age groups
No mortality improvement variant projection for Wales - population by five-year age groups and sex.
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Old age structure variant - Great Britain summary
Old age structure variant projection for Great Britain including population by broad age group, components of change and summary statistics.
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No mortality improvement variant - Northern Ireland population in age groups
No mortality improvement variant projection for Northern Ireland - population by five-year age groups and sex.
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No mortality improvement variant - UK population in age groups
No mortality improvement variant projection for the UK - population by five-year age groups and sex.
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Old age structure variant - Northern Ireland population in age groups
Old age structure variant projection for Northern Ireland - population by five-year age groups and sex.
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Constant fertility variant - Northern Ireland summary
Constant fertility variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Old age structure variant - Wales summary
Old age structure variant projection for Wales including population by broad age group, components of change and summary statistics.
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Replacement fertility variant - England population in age groups
Replacement fertility variant projection for England - population by five-year age groups and sex.
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No mortality improvement variant - Scotland population in age groups
No mortality improvement variant projection for Scotland - population by five-year age groups and sex.
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Replacement fertility variant - Scotland population in age groups
Replacement fertility variant projection for Scotland - population by five-year age groups and sex.
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Constant fertility and no mortality improvement variant - England population in age groups
No change variant projection for England - population by five-year age groups and sex.
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Constant fertility variant - Wales summary
Constant fertility variant projection for Wales including population by broad age group, components of change and summary statistics.
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No mortality improvement variant - Scotland summary
No mortality improvement variant projection for Scotland including population by broad age group, components of change and summary statistics.
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Constant fertility and no mortality improvement variant - Scotland summary
No change variant projection for Scotland including population by broad age group, components of change and summary statistics.
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Old age structure variant - Scotland population in age groups
Old age structure variant projection for Scotland - population by five-year age groups and sex.
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Constant fertility variant - England population in age groups
Constant fertility variant projection for England - population by five-year age groups and sex.
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Replacement fertility variant - Wales population in age groups
Replacement fertility variant projection for Wales - population by five-year age groups and sex.
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Constant fertility and no mortality improvement variant - Wales summary
No change variant projection for Wales including population by broad age group, components of change and summary statistics.
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Replacement fertility variant - England summary
Replacement fertility variant projection for England including population by broad age group, components of change and summary statistics.
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Young age structure variant - UK summary
Young age structure variant projection for the UK including population by broad age group, components of change and summary statistics.
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Z4 - Zipped population projections data files - extra variants, Wales
Open data for Wales extra variant projections. Single year of age and sex with underlying data.
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Constant fertility and no mortality improvement variant - Northern Ireland summary
No change variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Constant fertility and no mortality improvement variant - Scotland population in age groups
No change variant projection for Scotland - population by five-year age groups and sex.
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Young age structure variant - Scotland summary
Young age structure variant projection for Scotland including population by broad age group, components of change and summary statistics.
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Old age structure variant - England population in age groups
Old age structure variant projection for England - population by five-year age groups and sex.
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Young age structure variant - Wales population in age groups
Young age structure variant projection for Wales - population by five-year age groups and sex.
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Constant fertility and no mortality improvement variant - UK summary
No change variant projection for the UK including population by broad age group, components of change and summary statistics.
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Constant fertility and no mortality improvement variant - Northern Ireland population in age groups
No change variant projection for Northern Ireland - population by five-year age groups and sex.
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Z2 - Zipped population projections data files - extra variants, Great Britain
Open data for Great Britain extra variant projections. Single year of age and sex with underlying data.
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Constant fertility variant - Northern Ireland population in age groups
Constant fertility variant projection for Northern Ireland - population by five-year age groups and sex.
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Replacement fertility variant - Scotland summary
Replacement fertility variant projection for Scotland including population by broad age group, components of change and summary statistics.
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Old age structure variant - England summary
Old age structure variant projection for England including population by broad age group, components of change and summary statistics.
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Old age structure variant - UK summary
Old age structure variant projection for the UK including population by broad age group, components of change and summary statistics.
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Young age structure variant - Great Britain summary
Young age structure variant projection for Great Britain including population by broad age group, components of change and summary statistics.
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Constant fertility variant - UK summary
Constant fertility variant projection for the UK including population by broad age group, components of change and summary statistics.
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Constant fertility variant - UK population in age groups
Constant fertility variant projection for the UK - population by five-year age groups and sex.
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Constant fertility variant - Scotland population in age groups
Constant fertility variant projection for Scotland - population by five-year age groups and sex.
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Z1 - Zipped population projections data files - extra variants, UK
Open data for UK extra variant projections. Single year of age and sex with underlying data.
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Young age structure variant - Northern Ireland population in age groups
Young age structure variant projection for Northern Ireland - population by five-year age groups and sex.
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Replacement fertility variant - Northern Ireland summary
Replacement fertility variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Old age structure variant - Northern Ireland summary
Old age structure variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Z3 - Zipped population projections data files - extra variants, England
Open data for England extra variant projections. Single year of age and sex with underlying data.
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Young age structure variant - UK population in age groups
Young age structure variant projection for the UK - population by five-year age groups and sex.
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Young age structure variant - Wales summary
Young age structure variant projection for Wales including population by broad age group, components of change and summary statistics.
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No mortality improvement variant - England summary
No mortality improvement variant projection for England including population by broad age group, components of change and summary statistics.
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Old age structure variant - UK population in age groups
Old age structure variant projection for the UK - population by five-year age groups and sex.
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Constant fertility variant - England summary
Constant fertility variant projection for England including population by broad age group, components of change and summary statistics.
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Young age structure variant - Scotland population in age groups
Young age structure variant projection for Scotland - population by five-year age groups and sex.
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No mortality improvement variant - Wales summary
No mortality improvement variant projection for Wales including population by broad age group, components of change and summary statistics.
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Replacement fertility variant - Wales summary
Replacement fertility variant projection for Wales including population by broad age group, components of change and summary statistics.
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Replacement fertility variant - Northern Ireland population in age groups
Replacement fertility variant projection for Northern Ireland - population by five-year age groups and sex.
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Old age structure variant - Scotland summary
Old age structure variant projection for Scotland including population by broad age group, components of change and summary statistics.
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Constant fertility and no mortality improvement variant - Wales population in age groups
No change variant projection for Wales - population by five-year age groups and sex.
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Young age structure variant - Great Britain population in age groups
Young age structure variant projection for Great Britain - population by five-year age groups and sex.
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Z6 - Zipped population projections data files - extra variants, Northern Ireland
Open data for Northern Ireland extra variant projections. Single year of age and sex with underlying data.
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Constant fertility and no mortality improvement variant - England summary
No change variant projection for England including population by broad age group, components of change and summary statistics.
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Replacement fertility variant - UK summary
Replacement fertility variant projection for the UK including population by broad age group, components of change and summary statistics.
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Constant fertility variant - Scotland summary
Constant fertility variant projection for Scotland including population by broad age group, components of change and summary statistics.
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National population projections table of contents
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.
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Young age structure variant - England summary
Young age structure variant projection for England including population by broad age group, components of change and summary statistics.
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Old age structure variant - Great Britain population in age groups
Old age structure variant projection for Great Britain - population by five-year age groups and sex.
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No mortality improvement variant - England population in age groups
No mortality improvement variant projection for England - population by five-year age groups and sex.
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No mortality improvement variant - Northern Ireland summary
No mortality improvement variant projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Old age structure variant - Wales population in age groups
Old age structure variant projection for Wales - population by five-year age groups and sex.
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No mortality improvement variant - UK summary
No mortality improvement variant projection for the UK including population by broad age group, components of change and summary statistics.
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Young age structure variant - England population in age groups
Young age structure variant projection for England - population by five-year age groups and sex.
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Constant fertility variant - Wales population in age groups
Constant fertility variant projection for Wales - population by five-year age groups and sex.
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