We would like to use cookies to collect information about how you use ons.gov.uk.
We use this information to make the website work as well as possible and improve our services.
You’ve accepted all cookies. You can change your cookie settings at any time. Hide
Loading search results
Select another topic or clear all filters.
Not all census content has been released. Check for upcoming releases in the release calendar. Alternatively, you can create a custom dataset.
Released on: 24 May 2018 | Methodology
Released on: 26 May 2016 | Methodology
Released on: 04 February 2016 | Methodology
Released on: 09 March 2023 | Methodology
How and why the Office for National Statistics (ONS) carried out statistical disclosure control on Census 2021 data.
Released on: 15 June 2022 | Methodology
Methods used to link refugee data to various administrative data in a pilot study led by the Office for National Statistics (ONS) and the Home Office.
Released on: 28 February 2019 | Methodology
Guidance for users containing the methodology and reason for revising official long-term International Passenger Survey (IPS) estimates of non-EU study.
Released on: 01 December 2023 | Methodology
Supporting information for origin-destination data from Census 2021 in England and Wales, including how to access and use public, safeguarded and secure datasets.
Released on: 22 June 2023 | Methodology
Methodology for resolving multiple responses in Census 2021 data.
Released on: 25 August 2022 | Methodology
A guide to using country of birth, nationality, and passports held data and statistics. Including definitions of each measure, how these are collected in different data sources and how best to use international migration statistics based on these measures.
Released on: 10 March 2021 | Methodology
User guidance, uses, assumptions and methodology for the subnational population projections for each constituent country of the UK.
