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Census 2021 results

Information about Census 2021 statistics, and supporting materials.

Try our Flexible Table Builder to create your own custom Census 2021 tables. Data for new parliamentary constituencies just added.

Our statistical practice is regulated by the Office for Statistics Regulation (OSR).

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Flexible Table Builder

Use our Flexible Table Builder to create your own custom Census 2021 tables.

Area explorer

We have updated our census area explorer to include more data for District Electoral Areas, Super Data Zones and Data Zones.

Main statistics

Main Statistics (MS) tables provide summary statistics for the majority of census questions and topics.

Population and household estimates

These first results from Census 2021 provide the usual resident population and number of households in Northern Ireland.

UK census-based statistics

Access 'Census-based statistics UK: 2021'.

Ireland and Northern Ireland

Access the joint census publication from the Central Statistics Office (CSO) and NISRA.

UK Armed Forces veterans

This release provides analysis into UK Armed Forces veterans living in Northern Ireland at the time of Census 2021, using a unique data-linking approach.

Specialist products

Explore specialist Census 2021 products, including Grid Square and microdata.

Origin-destination

Origin-destination data show the movement of people from one location to another. They are also known as flow data.

Alternative populations

Statistics are available for two alternative populations: daytime population and workplace population.

Census output geography

Understanding census statistical output geography.

Commissioned outputs

Census 2021 commissioned outputs are produced in response to user requests.

Quality notes, issues and corrections

Details of quality notes, issues, and corrections to published Census 2021 data.

Revisions and corrections policy

Outlines the revisions and corrections policy for census outputs.

Outputs prospectus

This prospectus outlines the planned release schedule for Census 2021 statistics in Northern Ireland.

Impact of COVID-19 on Census 2021 in Northern Ireland

Potential impacts of the Coronavirus (COVID-19) pandemic on the data collection and output from Census 2021.

Related to Census 2021 results

Publications

  • CT0187 Selected country of birth (Brazil) by highest qualification and sex

    Published 14 August 2026
  • CT0185 Selected country of birth (Brazil) by age and sex

    Published 14 August 2026
  • CT0188 Selected country of birth (Brazil) by industry and sex

    Published 14 August 2026
  • CT0186 Selected country of birth (Brazil) by ethnic group (4 categories) and sex

    Published 14 August 2026
  • CT0189 Selected country of birth (Brazil) by year of arrival to live in Northern Ireland and sex

    Published 14 August 2026
  • CT0181 Selected religion (Baháʼí) by broad age bands and sex

    Published 13 August 2026
See all publications 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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