Publications

Download our Census 2021 statistical bulletin on alternative populations.

Our ‘Census 2021 origin-destination user guide’ provides more information on how these datasets were created and how to use them.

Information on the census commission output service.

Census 2021 estimates that classify usual residents and households for settlements in Northern Ireland.

The purpose of this document is to provide an overview of the methodology used to produce settlement data for Census 2021 main statistics outputs.

Census 2021 estimates that classify usual residents in NI living in households with solid fuel or wood central heating by section 75 variables.

Census Office organised two webinars to discuss outputs from Census 2021.

Download the Census 2021 microdata strategy to find out more about the delivery of the proposed Census 2021 microdata products.

Download the Census Quality Survey (CQS) information paper.

These statistics contain the third phase of main statistics results from Census 2021.

These statistics contain the second phase of main statistics results from Census 2021.

This document helps users look at differences in the census questionnaires across the 10-year period, between 2011 and 2021.

Download the full classifications for some of the more detailed, larger variables from Census 2021.

The standard output table lookup file contains descriptions of all Census 2021 standard output tables published so far.

Download infographics from Census 2021 for each of the 11 Local Government Districts and Northern Ireland.

This short paper aims to assist users by providing information on two aspects of quality: the response rate and the item response rate.

Download the Census 2021 guidance note on use of religion question outputs.

Download the Census 2021 variables index, last updated on 8 August 2024.

These statistics contain the first results from Census 2021, estimates in this release were published in rounded form.