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We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.
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Methodology used to produce our provisional long-term international migration estimates.
Important information to inform users and explain any misunderstandings around our migration statistics.
An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.
Quality and Methodology Information for long-term international migration statistics, detailing the strengths and limitations of the data, methods used, and data uses and users.
This methodology brings together important information about our mid-year admin-based population estimates (ABPEs) for England and Wales.
Administrative data sources and quality assurance in the production of admin-based long-term international migration estimates published in bi-annual releases.
Update on the data and methodology used by the dynamic population model (DPM) to produce admin-based population estimates (ABPE). Experimental Statistics.
Supplementary information on research using administrative data for the future of population and migration statistics.
Developments of methods and data used in the dynamic population model
The Census 2021 Data Asset high-level design: exploring the feasibility of maintaining an anonymised person-level longitudinal data source based on Census 2021.
