About this data
This section includes data, reports and supporting information relating to the 2001 Census outputs.
How to explore the data
- You can search all 2001 Census tables by topic using our 2001 Census table lookup tool.
Data quality and standards
All statistical outputs are produced in line with the Code of Practice for Statistics, regulated by the Office for Statistics Regulation (OSR). This ensures transparency, trustworthiness, and quality in all published data.
Population report
The Population report provides counts of the resident population by age and sex across Northern Ireland and its administrative areas.
Key Statistics
Key Statistics provide summary-level data on a wide range of topics, including housing, employment, education, and health. These were presented as percentages of population totals and were made available at various geographic levels, including Output Areas and Parliamentary Constituencies.
- 2001 Census - Key Statistics
- 2001 Census - Key Statistics at Output Area Level
- 2001 Census - Key Statistics for Parliamentary Constituencies
- 2001 Census - Key Statistics for Settlements
- 2001 Census - Key Statistics for Local Government District (2014) and District Electoral Area (2014)
Standard Tables
Standard Tables more detailed cross-tabulations of census variables, enabling in-depth analysis of demographic and socio-economic patterns.
Census Area Statistics
Census Area Statistics provide cross-tabular data for small geographic areas, supporting local-level planning and service delivery.
Univariate Tables
Univariate Tables present single-variable counts for a broad selection of census topics, offering a granular view of the population.
Migration, travel to work and workplace population report
Migration Tables contain information on migration of persons and households in and out of Northern Ireland.
Theme Tables
Theme Tables bring together previously published information for specific sub-populations, such as older people or ethnic minorities, into concise summary tables.
Origin-destination statistics
Origin-destination tables provide information on the movement of people either – migrants or commuters – between specific geographical areas. In addition to overall flow counts, the tables include breakdowns by topics such as age and economic activity.
These statistics were released in four phases (with an additional phase for Great Britain):
- Phase 1 (7 May 2004): Output Area Migration Matrix, detailing the sex and age of migrants between each output area in the UK.
- Phase 2 (15 July 2004): Movements between wards.
- Phase 3 (21 October 2004): Movements between Parliamentary Constituencies in Northern Ireland and local authorities in Great Britain.
- Phase 4 (16 December 2004): Statistics on moving groups.
Further information
- Origin-destination statistics - content and availability
- Origin-destination background information
- Origin-destination guidance
- Disclosure protection measures
Accessing the information
To obtain a copy of the origin-destination products contact the Office for National Statistics (ONS) customer services at:
Census Customer Services
ONS
Segensworth Road
Titchfield
Fareham
Hants PO15 5RR
Telephone: 01329 813800
Email: census.customerservices@ons.gov.uk
Grid Square
The Grid Square product provides basic 2001 Census statistics for population and household counts for a combination of 1 kilometre and 100 metre grid squares in Northern Ireland.
To request access to the 2001 Census grid square data, please contact Census Customer Services: census@nisra.gov.uk
Bulk download files
2001 Census tables are available to download in Comma Separated Variable (CSV) format, is the most common text format used for importing data into databases or spreadsheets.
Headcount and household estimates
Headcount and household estimate tables for Ward (2014), District Electoral Area (2014) and Local Government District (2014) from the 2001 Census are available to download.
Commissioned output
Commissioned Output consists of tables, requested by users, which have been produced using standard output classifications and standard geographies.
How to request information
Contact Census Customer Services for more information or complete the request form available on our Census Commissioned Output page
Output prospectus
This prospectus covers the scope and phasing of the 2001 Census results.