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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.
A comparison of the different types of population estimates that are published or are planned for future publication.
Guide to the main sources of crime statistics, by area of interest. Helps users to find and use statistics from multiple government departments.
A comprehensive overview of the background and methodology of the Pay As You Earn (PAYE) Real Time Information (RTI) statistics.
Quality and Methodology Information for crime levels and trends in England and Wales, detailing the strengths and limitations of the data, methods used, and data uses and users.
Quality and methodology information for families and households estimates, detailing strengths and limitations of the data, methods, and data uses and users.
Quality and methodology information (QMI) for regional and subregional labour productivity, detailing the strengths and limitations of the data, methods used, data uses and users.
Official statistics in development - detailing the methods used, strengths and limitations of the data, and future developments.
Quality and methodology information for subnational population projections, detailing the strengths and limitations of the data, methods used and data uses and users.
Supporting information for conception statistics in England and Wales, recorded during registration of birth and notification of abortion.
Information on the methods used to calculate indirect estimates from the Low Carbon and Renewable Energy Economy (LCREE) Survey.
