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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.
The data sources and methodology used to produce mortality assumptions in the 2018-based national population projections.
The data sources and methodology used to produce migration assumptions in the 2018-based national population projections.
A summary of how we set the demographic assumptions for the 2018-based national population projections.
User guidance about uses, methodology, assumptions and input data for household projections for England.
High-level user guidance about the uses, methodology, assumptions and input data for household projections for England.
Quality and Methodology Information for the cancer survival statistical bulletins, detailing the strengths and limitations of the data, methods used and data uses and users.
Quality and Methodology Information for internet access households and individuals statistics, detailing the strengths and limitations of the data, methods used, and data uses and users.
Quality and Methodology Information for leasehold and freehold residential property transaction statistics, detailing the strengths and limitations of the data, methods used, and data uses and users.
Guidance and methodology in moving the Wealth and Assets Survey (WAS) from waves to financial years.
