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Census 2021 microdata strategy

Date published: 21 June 2023

Statistics: Census 2021 results,  Microdata products

Download the Census 2021 microdata strategy.

Purpose

The strategy outlines the delivery plan for microdata products from Census 2021, enabling researchers to access anonymised, record-level data for advanced analysis while ensuring confidentiality.

Key microdata products

AbbreviationProduct name
NILSNorthern Ireland Longitudinal Study
NIMSNorthern Ireland Mortality Study
SARsSamples of Anonymised Records (1%, 5%, 10%)
ODOrigin-Destination Statistics
EESEarnings and Employment Study
CARSCensus Agriculture Research Study
Comprehensive SARNew, larger anonymised dataset

Related data

The Census 2021 public microdata teaching sample for Northern Ireland is now available for download - ideal for learning, teaching, and introductory research.

Documents

  • Census 2021 microdata strategy Adobe PDF (212 KB)

Help viewing documents

Last updated: 29 May 2025

Links

  • 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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