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2011 Census

Explore data and resources from the 2011 Census in Northern Ireland, including how to access datasets, reports, and supporting documents.

On census day, 27 March 2011, Northern Ireland’s population was 1,810,863 across 703,275 households.

contents

2011 Census results

Information about the 2011 Census outputs, reports and supporting information.

2011 Census analysis

Selection of short stories developed from the 2011 Census outputs.

2011 Census background

Introduction to the 2011 Census in Northern Ireland, including information on the design, definitions and questionnaires.

2011 Census evaluation

Reports evaluating each major stage of the 2011 Census operation, from planning and development through to publication of results.

Last updated: 08 August 2025

Related to 2011 Census

Publications

  • CT0617NI National identity (person based) by age band

    Published 08 August 2025
  • CT0616NI Usual resident population by religion

    Published 09 July 2025
  • CT0615NI Workplace table: Selected occupations (1134 Advertising and public relations directors (excluding those with an industry of 73.1 Advertising) and 2472 Public relations professionals)

    Published 25 June 2025
  • CT0614NI Lone parents aged 16 to 74 by sex and dependent child in family indicator

    Published 20 February 2025
See all publications in this topic

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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