The census collects information every 10 years about people and households in Northern Ireland. It is used by central and local government, health authorities and many other organisations to plan and provide future services. 

The census rehearsal is taking place in October 2019 across South & East Belfast, Craigavon and West Fermanagh. If you receive a letter or paper questionnaire it is important you take part in the rehearsal. In doing so, you'll help us make sure Census 2021 runs smoothly and represents everyone.

Related statistics

2021 Census

Information on Northern Ireland's next census, including consultation plans.

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2011 Census

Information on the 2011 Census in Northern Ireland, including how to access the data and supporting documents.



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2001 and earlier censuses

This section relates to Northern Ireland census reports since 1926. Most publications were produced on paper and are only available online as a PDF document.

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History of the census

Information on background and history of census taking.

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