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 next census in Northern Ireland will be in 2021.

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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Most recent documents

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Contacts for Census

Census Customer Services

What we do

Census Customer Services provide information and advice about the 2011 and earlier censuses, for example:

  • availability of census products
  • definitions of census terms
  • requests for commissioned output
Colby House
Stranmillis Court

Email: census@nisra.gov.uk
Telephone: 028 9025 5156