Our statistical practice is regulated by the Office for Statistics Regulation (OSR).
Information about the 2011 Census outputs, reports and supporting information.
Related statistics
Population and household estimates
The 2011 Census population and household estimate releases provide estimates of the usually resident population by age and sex in Northern Ireland.
Key Statistics
Key Statistics (KS) tables provide summary statistics for the majority of census questions and topics, mainly presented as percentages of population totals.
Quick Statistics
Quick Statistics (QS) tables provide the most detailed information available from the census about a single topic. The detail is provided by using the full, expanded versions of the classifications which have the most categories.
Detailed Characteristics
Detailed Characteristics (DC) tables provide more detailed multivariate tables covering a wide variety of census variables.
Local Characteristics
Local Characteristics (LC) also contains multivariate tables; however they contain less detail than Detailed Characteristics.
Alternative populations
Statistics are available for three alternative populations: Short-Term Resident Population, Daytime Population and Workplace Population.
Specialist products
Microdata are small samples of data for whole households and individuals, which include some associated census characteristics but no information that could identify a household or individual.
Commissioned output
2011 Census commissioned outputs are produced in response to user requests.
Grid square
The combined grid square product provides basic 2011 Census statistics for a combination of 1 kilometre and 100-metre grid squares in Northern Ireland.
UK census outputs
The UK censuses took place on 27 March 2011. The Office for National Statistics (ONS) is responsible for disseminating census statistics for the UK.
Headcount and household estimates
Headcount and household estimate tables for Ward (2014) from the 2011 Census are available to download.
Ireland and Northern Ireland
The timing of the 2011 Censuses in Northern Ireland and Ireland, just two weeks apart, on 27 March 2011 and 11 April 2011 respectively, has offered an opportunity to present a detailed picture of the populations of both jurisdictions at a single point in time.
Supporting information
A selection of reports and documents relating to the 2011 Census results.