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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 (QMI) for the Health Insight Survey (HIS), including the strengths and limitations of the data, methods, and data uses.
Links to guidance, methodology and information documents for crime statistics in England and Wales.
Supporting information for birth statistics, which present figures on births that occur and are then registered in England and Wales. Figures are based on information collected at birth registration.
Quality and Methodology Information for births occurring and registered in England and Wales. Data strengths and limitations, methods, and data uses and users.
Quality and methodology information for private rental affordability statistics, detailing strengths and limitations, methods used, and data uses and users.
Discovery Part 2 research examining how participants conceptualise and recall their experience of crime, to inform the redesign of the screener and victimisation modules in the Crime Survey for England and Wales.
What the subnational estimates of dwellings and households by tenure statistics cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
This quality overview provides descriptions of the strengths and limitations of all the individual administrative (admin) data sources used directly in producing the mid-2024 admin-based population estimates (ABPEs) for local authorities (LAs) in England and Wales.
National and subnational mid-year population estimates for England and Wales, broken down by administrative area, age, sex and components of population change.
Quality and methodology information for mid-year population estimates in the UK, detailing the strengths and limitations of the data, methods used, and data uses and users.
