The potential future population size of the UK and its constituent countries; widely used in planning, for example, fiscal projections, health, education and pensions.
Publications
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National population projections: 2020-based interim
The potential future population size of the UK and its constituent countries. These statistics are widely used in planning, for example, fiscal projections, health, education and pensions.
Data
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Principal projection - Northern Ireland population in age groups
Principal projection for Northern Ireland - population by five-year age groups and sex.
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Zipped population projections data files, Wales
Open data for Wales principal and variant projections. Single year of age and sex with underlying data.
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Zipped population projections data files, Great Britain and England and Wales
Open data for Great Britain and England and Wales principal and variant projections. Single year of age and sex with underlying data.
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Principal projection - UK summary
Principal projection for the UK including population by broad age group, components of change and summary statistics.
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Principal projection - Great Britain summary
Principal projection for Great Britain including population by broad age group, components of change and summary statistics.
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Principal projection - England and Wales summary
Principal projection for England and Wales including population by broad age group, components of change and summary statistics.
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Principal projection - Wales population in age groups
Principal projection for Wales - population by five-year age groups and sex.
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Principal projection - Scotland summary
Principal projection for Scotland including population by broad age group, components of change and summary statistics.
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Principal projection - England and Wales population in age groups
Principal projection for England and Wales - population by five-year age groups and sex.
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Principal projection - England summary
Principal projection for England 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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Principal projection - Great Britain population in age groups
Principal projection for Great Britain - population by five-year age groups and sex.
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Zipped population projections data files, England
Open data for England principal and variant projections. Single year of age and sex with underlying data.
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Zipped population projections data files, UK
Open data for UK principal and variant projections. Single year of age and sex with underlying data.
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Zipped population projections data files, Northern Ireland
Open data for Northern Ireland principal and variant projections. Single year of age and sex with underlying data.
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Principal projection - Northern Ireland summary
Principal projection for Northern Ireland including population by broad age group, components of change and summary statistics.
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Principal projection - Scotland population in age groups
Principal projection for Scotland - population by five-year age groups and sex.
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Zipped population projections data files, Scotland
Open data for Scotland principal and variant projections. Single year of age and sex with underlying data.
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Principal projection - Wales summary
Principal projection for Wales including population by broad age group, components of change and summary statistics.
Methodoleg
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National population projections, fertility assumptions: 2020-based interim
The data sources and methodology used to produce fertility assumptions in the 2020-based interim national population projections.
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National population projections QMI
Quality and methodology information (QMI) for national population projections, detailing the strengths and limitations of the data, methods used and data uses and users.
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National population projections, migration assumptions: 2020-based interim
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
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National population projections, mortality assumptions: 2020-based interim
The data sources and methodology used to produce mortality assumptions in the 2020-based interim national population projections.
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National population projections, background, methodology and assumption setting: 2020-based interim
Information on the data, methods and assumption setting process used to produce the 2020-based interim national population projections.
The United Kingdom Statistics Authority has designated these statistics as National Statistics, in accordance with the Statistics and Registration Service Act 2007 and signifying compliance with the Code of Practice for Official Statistics.
Designation can be broadly interpreted to mean that the statistics:
- meet identified user needs
- are well explained and readily accessible
- are produced according to sound methods
- are managed impartially and objectively in the public interest
Once statistics have been designated as National Statistics it is a statutory requirement that the Code of Practice shall continue to be observed.