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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.
This quality report presents information on the Coronavirus (COVID-19) Infection Survey data collection method change from study worker home visit to remote data collection.
The administrative data sources that were used in the statistical design for Census 2021, with information on their coverage, accuracy, and timeliness.
Developments in producing mid-2021 population estimates rolled forward from Census 2021, by local authority district, age, and sex. Includes method changes needed to roll forward the three months from Census Day to mid-year and discusses our ongoing challenges.
A guide to using country of birth, nationality, and passports held data and statistics. Including definitions of each measure, how these are collected in different data sources and how best to use international migration statistics based on these measures.
Methodological details for the derivation of unadjusted and adjusted free school meals earnings gaps and Blinder-Oaxaca decomposition.
Latest update on the progress being made to improve crime statistics for England and Wales.
This methodology guide is intended to provide information on the methods used to collect the data, process it, and calculate the statistics produced from the COVID-19 Schools Infection Survey (SIS).
Methods and data sources used to estimate coronavirus (COVID-19) hospital admissions by vaccination status in pregnant and non-pregnant women in England.
Interactive tool to help local authorities compare age-sex estimates and comparator data from Census 2021 to other areas within England and Wales.
