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Not all census content has been released. Check for upcoming releases in the release calendar. Alternatively, you can create a custom dataset.
Released on: 23 February 2017 | Methodology
Released on: 07 March 2016 | Methodology
Differences between International Passenger Survey and National Insurance Number statistics (as shown in the Migration Statistics Quarterly Report)
Released on: 28 November 2024 | Methodology
Important information to inform users and explain any misunderstandings around our migration statistics.
Released on: 15 July 2024 | Methodology
This methodology brings together important information about our mid-year admin-based population estimates (ABPEs) for England and Wales.
Released on: 15 July 2021 | Methodology
Released on: 03 February 2016 | Methodology
An overview of ONS's population statistics including population estimates, population projections, migration and the census.
A technical article setting out the statistical design of developing population and migration statistics using administrative sources.
Released on: 06 September 2023 | Methodology
Known quality information affecting demography, migration and international migration data from Census 2021 in England and Wales.
Released on: 17 September 2021 | Methodology
Quality and Methodology Information for local area migration, detailing the strengths and limitations of the data, methods used, and data uses and users.
Released on: 27 February 2020 | Methodology
In-depth look at methodology of both Long-Term International Migration (LTIM) and the International Passenger Survey (IPS), including preliminary adjustments, assumptions made for variables, and changes over time.
