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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.
Information on Census 2021 in Northern Ireland.
Related statistics
Reference materials
These materials are designed to help users make the most of census data.
Evaluation
The Census 2021 general report provides a comprehensive overview of the ten-year census cycle.
Background
Information on consultations and the planning of the 2021 Census in Northern Ireland.