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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.
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 long-term international migration statistics, detailing the strengths and limitations of the data, methods used, and data uses and users.
Methodology used to produce our provisional long-term international migration estimates.
An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.
Quality and Methodology Information for the Price Index of Private Rents, detailing the strengths and limitations of the data, methods used, and data uses and users.
Explanation and guidance on how to use the data published in the past and projected period and cohort life tables.
Quality and Methodology Information for child and infant mortality statistics, detailing the strengths and limitations of the data, methods used and data uses and users.
Supporting information for Child and infant mortality statistics, which presents final statistics on stillbirths, infant deaths and childhood deaths that occurred in England and Wales in a calendar year.
Quality and methods information for the UK Health Accounts.
