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Population

The Population Statistics Section within Census Office (NISRA)

Provides accurate, timely, user friendly and easily accessible Accredited Official Statistics relating to Population Estimates, Projections and Migration for Northern Ireland.

Population statistics are widely used in policy development in areas such as housing, healthcare and education, as well as being used to allocate public funds to the Northern Ireland Executive through the Barnett formula.

These statistics are also of interest to those involved in research and academia. They are widely used to express other statistics as a rate and thus enable comparisons across the United Kingdom and other countries.

Generally, population statistics are available disaggregated by age and sex with information also available for a wide range of administrative and statistical geographies.

For key statistics relating to population estimates, explore the population statistics dashboard.

For upcoming release dates, please see the Population Statistics workplan.

contents

Mid Year Population Estimates

Estimates of the population of Northern Ireland as of 30 June each year by age and sex.

National Population Projections

Projected future population of Northern Ireland by age and sex

Estimates of the Population Aged 85 and Over

Estimates of the population aged 85 and over in Northern Ireland, by age and sex

Sub-National Population Projections

Projected future population for areas within Northern Ireland by age and sex

Population Estimates for Small Geographical Areas

Estimates of the population for small geographical areas within Northern Ireland

Household Projections

Projected future number of households in Northern Ireland by household type and size

Long-Term International Migration Statistics

Estimates of long-term international migration for Northern Ireland

Commissioned Data Requests

Listing of completed ad-hoc requests made by users of Population Statistics

Data Sources

Information about the range of administrative data sources used in the production of population and migration statistics.

Stakeholder Engagement

Information relating to the Population Statistics team’s engagement with its users/stakeholders.

Research into using administrative data for population estimates

Research relating to the development and quality assurance of the statistical population dataset from administrative data sources.

Last updated: 28 March 2025

Related to Population

Publications

  • 2022-based Population Projections for Northern Ireland Statistical Bulletin Charts

    Published 28 January 2025
  • 2022-based Population Projections for Northern Ireland

    Published 28 January 2025
  • 2022-based Population Projections for Northern Ireland: Variant projections

    Published 28 January 2025
  • Comparison of Northern Ireland Statistical Population Dataset with Census 2021 - Tables, Charts and Maps

    Published 19 December 2024
See all publications in this topic

Contacts

Population Statistics

Email: census@nisra.gov.uk

See all contacts in this topic

Links

  • Official Statistics producer – Upholding Trust, Quality and Value
  • General Register Office - registration and certification of life events relating to births, deaths and marriages
  • nidirect.gov.uk – the official government website for Northern Ireland citizens
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