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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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Quality and methodology information for the Annual Population Survey. Includes strengths and limitations, methods, and data uses and users.
Quality and methodology information for UK industry-to-industry monthly payments, detailing the strengths and limitations of the data, and the methods used.
Guidance about the background and methodology of the Labour Force Survey (LFS).
How we use the GEKS-Törnqvist index method with grocery scanner data. Includes comparison with other methods.
What the business investment in the UK statistics cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
What the UK trade statistics cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
Quality and methodology information (QMI) for regional consumer card spending data, 2019 to 2025, derived from aggregated and anonymised Visa card spending data.
What the inclusive income and wealth statistics cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
Quality and methodology information for marriage and civil partnership formation statistics, detailing the strengths and limitations of the data, methods used and data uses and users.
Background information and methodology for income estimates for small areas, England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.
