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Census 2021 population definitions

Date published: 14 August 2020

Statistics: Census 2021,  Census 2021 background

This document outlines the population definitions to be used in Census 2021 in Northern Ireland.

The document contains definitions used in enumeration, additional definitions required by field staff and some of the definitions to be used in outputs.

Documents

  • 2021 Census Population Definitions Northern Ireland Adobe PDF (157 KB)

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Last updated: 03 March 2025

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  • 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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