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DDI2.5 XML CODEBOOK RECORD FOR STUDY NUMBER 9362 2021 Census: Flow Data 936210.5255/UKDA-SN-9362-1 Office for National Statistics Northern Ireland Statistics and Research Agency (NISRA) <a href="https://www.nationalarchives.gov.uk/information-management/re-using-public-sector-information/uk-government-licensing-framework/crown-copyright/" target="_blank">© Crown copyright</a>. The use of these data is subject to the <a href="https://ukdataservice.ac.uk/app/uploads/cd137-enduserlicence.pdf" target="_blank">UK Data Service End User Licence Agreement</a>. Additional restrictions may also apply. Office for National StatisticsNorthern Ireland Statistics and Research Agency (NISRA) UK Data Service 25 March 2025 CENSUS DATAINTERNAL MIGRATIONCOMMUTINGWORKPLACEPLACE OF RESIDENCE CensusesSociety and culture Abstract copyright UK Data Service and data collection copyright owner.The 2021 UK Census was the 23rd official census of the United Kingdom. The UK Census is generally conducted once every 10 years, and the 2021 censuses of England, Wales, and Northern Ireland took place on 21 March 2021. In Scotland, the decision was made to move the census to March 2022 because of the impact of the coronavirus pandemic (see SNs 9461 and 9462). The censuses were administered by the <a title="Office for National Statistics" href="https://www.ons.gov.uk/census" style="background-color: rgb(255, 255, 255);">Office for National Statistics</a> (ONS), the <a title="Northern Ireland Statistics and Research Agency" href="https://www.nisra.gov.uk/statistics/census/2021-census" style="background-color: rgb(255, 255, 255);">Northern Ireland Statistics and Research Agency</a> (NISRA) and <a title="National Records of Scotland" href="https://www.scotlandscensus.gov.uk/about/scotlands-census-2022-general-report/" target="_blank" style="background-color: rgb(255, 255, 255);">National Records of Scotland</a> (NRS), respectively. Census 2021 was the first census with a digital-first design, encouraging participants to respond online rather than on a paper questionnaire. Support was given to people who could not respond online, including paper questionnaires, telephone contact centres, field force support, and an extended collection period.Topics covered in the 2021 UK Census included:<ul><li>demography and migration</li><li>ethnic group, national identity, language and religion</li><li>labour market and travel to work</li><li>housing</li><li>education</li><li>health, disability, and unpaid care</li><li>Welsh and other languages</li><li>UK armed forces veterans</li><li>sexual orientation and gender identity.</li></ul>Census flow data involve flows of individuals in the UK between origins and destinations. These flows are either the residential migrations of individuals from one place of usual residence to another, or of commuters making journeys from home to workplace or place of study. These data are derived from the questions on the census form relating to usual place of residence one year ago, and the place of work for the respondent's main job. Flow data are currently available at a range of different spatial scales ranging from Output Areas to Local Authority Districts. Main Topics: The Census Support: Flow Data website facilitates access to the interaction data for members of UK higher and further education institutions. Access is provided through the Web-based Interface to Census Interaction Data (WICID). Explicit registration is not required for the 2021 Census products that have been released under the Open Government Licence. However, outputs from the 2021 Census classified as 'Safeguarded' require users to agree on additional terms and conditions. Access to these datasets is only permitted via Federated Access. The Flow Data website provides two basic routes to the data.<ul><li>WICID is the main route to the flow data. It provides a flexible service to download extracts of data in a variety of forms;</li><li>the Downloads page allows users to download the original tables as released by ONS and NISRA.</li></ul>Access data through the <a href="https://wicid.ukdataservice.ac.uk/" title="WICID Flow Data">WICID Flow Data</a> website. View the <a href="http://census.ukdataservice.ac.uk/use-data/guides/flow-data.aspx" title="Census flow data guide">Census flow data guide</a>. England and WalesNorthern Ireland National Respondents to the 2021 Census involved in residential migrations and commuting. Numeric Cross-sectional (one-time) studyRepeated cross-sectional study No sampling (total universe) Self-administered questionnaire Data may be accessed via the <a href="https://wicid.ukdataservice.ac.uk/" title="WICID Flow Data website">WICID Flow Data</a> website. Parts of these data are freely available to all and are licenced under the terms of the <a href="http://www.nationalarchives.gov.uk/doc/open-government-licence/version/2" title="Open Government Licence">Open Government Licence</a>. Other parts are only available as Safeguarded data, subject to the standard <a href="https://ukdataservice.ac.uk/app/uploads/cd137-enduserlicence.pdf" target="_blank">End User Licence Agreement</a> terms and conditions, and require users to be students or staff at UK universities, UK government staff, NHS staff or Research Council staff. These users need to register with UK Data Service first and access the safeguarded data via Federated Access. See <restrctn> https://www.ons.gov.uk/census https://www.nisra.gov.uk/statistics/census/2021-census https://www.scotlandscensus.gov.uk/about/scotlands-census-2022-general-report/ https://www.scotlandscensus.gov.uk/ https://oai.ukdataservice.ac.uk:8443/oai/provider 9362 2025-11-06T05:54:31Z ddi:codebook:2_5