Summary

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

• 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

• Principal projection - Northern Ireland population in age groups

  Principal projection for Northern Ireland - population by five-year age groups and sex.

• Zipped population projections data files, Wales

  Open data for Wales principal and variant projections. Single year of age and sex with underlying data.

• 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.

• Principal projection - UK summary

  Principal projection for the UK including population by broad age group, components of change and summary statistics.

• Principal projection - Great Britain summary

  Principal projection for Great Britain including population by broad age group, components of change and summary statistics.

• Principal projection - England and Wales summary

  Principal projection for England and Wales including population by broad age group, components of change and summary statistics.

• Principal projection - Wales population in age groups

  Principal projection for Wales - population by five-year age groups and sex.

• Principal projection - Scotland summary

  Principal projection for Scotland including population by broad age group, components of change and summary statistics.

• Principal projection - England and Wales population in age groups

  Principal projection for England and Wales - population by five-year age groups and sex.

• Principal projection - England summary

  Principal projection for England including population by broad age group, components of change and summary statistics.

• 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.

• Principal projection - Great Britain population in age groups

  Principal projection for Great Britain - population by five-year age groups and sex.

• Zipped population projections data files, England

  Open data for England principal and variant projections. Single year of age and sex with underlying data.

• Zipped population projections data files, UK

  Open data for UK principal and variant projections. Single year of age and sex with underlying data.

• 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.

• Principal projection - Northern Ireland summary

  Principal projection for Northern Ireland including population by broad age group, components of change and summary statistics.

• Principal projection - Scotland population in age groups

  Principal projection for Scotland - population by five-year age groups and sex.

• Zipped population projections data files, Scotland

  Open data for Scotland principal and variant projections. Single year of age and sex with underlying data.

• Principal projection - Wales summary

  Principal projection for Wales including population by broad age group, components of change and summary statistics.

Methodology

• 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.

• 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.

• 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.

• 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.

• 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.

Changes to this release date

1. Previous date

   2 December 2021 9:30am

   Reason for change

   Date changed to potentially enable publication of national population projections with publication of past and projected period and cohort life tables on the same date.

2. Previous date

   6 December 2021 9:30am

   Reason for change

   Publication of 2020-based interim national population projections has been delayed. Delaying this release will allow sufficient time to use the latest and best available death occurrences data, which maximises the quality and relevance of the projections throughout the subsequent projections period. We have engaged with key stakeholders to understand their timescales for planned onward uses of these statistics and are aiming to minimise adverse impacts from the delay.

About the data