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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.
Methodology for the alternative household estimate and how we used it to validate final dual system estimation (DSE) estimates.
How we maximised the quality of Census 2021 population estimates during the processing and quality assurance of the final statistics.
Methodology explaining the approach to the qualitative research exploring the lived experiences of Gypsy and Traveller communities.
The methods the Office for National Statistics (ONS) will use to assess the benefits of Census 2021 data for users, including central and local government, private and voluntary sectors.
Quality information affecting ethnic group, national identity, language and religion data from Census 2021 in England and Wales to help users correctly interpret them.
Technical appendix to accompany Estimates of coronavirus (COVID-19) related deaths by hearing and vision impairment status in England for deaths occurring up to 20 July 2022.
Quality information about the UK armed forces veterans data from Census 2021 in England and Wales to help users correctly interpret them.
The model selection process and chosen models for coverage estimation of Census 2021 in England and Wales.
Methodology for coverage estimation of Census 2021 in England and Wales.
The Health Index for England, which measures the health of the nation; definitions of the indicators used.
