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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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Dewis pwnc arall neu clirio pob hidlydd.
Quality and Methodology Information for the Opinions and Lifestyle Survey (OPN), including strengths and limitations, recent improvements and quality characteristics.
Quality and Methodology Information for avoidable mortality in the UK, detailing the strengths and limitations of these data, methods used and data uses and users.
Quality and methodology information for Explore local statistics, our digital service to find out more about local areas across the UK. Includes strengths and limitations, methods, and data uses and users.
Quality and Methodology Information for mid-year admin-based population estimates (ABPEs) for England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.
Known quality information affecting sexual orientation and gender identity data from Census 2021 in England and Wales to help users correctly interpret the statistics.
Discovery Part 3 research into the feasibility of a multi-mode design for the Crime Survey for England and Wales (CSEW).
Quality and Methodology Information for childbearing in England and Wales, detailing strengths and limitations of the data, methods used, and data uses and users.
Developing a machine learning method to identify and classify members of the adult social care workforce in England from Census 2021 write-in responses.
Linkage methodology and quality information for Care Quality Commission and Inter-Departmental Business Register linkage to Census 2021, to facilitate research into estimating the size and structure of the adult social care workforce.
Our planned publication schedule, approach to revisions and the availability of data in our admin-based population and migration statistical system.
