2021 Census

Information on Census 2021 in Northern Ireland.

 

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

The population of Northern Ireland on census day, 21 March 2021, was 1,903,175. While the number of households in Northern Ireland was 768,810.

 

Related statistics

Results

Information about Census 2021 statistics, and supporting materials.

Read more

Outputs prospectus

This prospectus sets out the release plans for Census 2021 statistics in Northern Ireland. The prospectus was last updated on 1 February 2024.

Read more

Census news

Find out the latest Census 2021 news.

Read more

Reference materials

These materials are designed to help users make the most of census data.

Read more

Assurance

Information on the assurance mechanisms for Census 2021.

Read more

Background

Information on consultations and the planning of the 2021 Census in Northern Ireland.

Read more