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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 for local area migration, detailing the strengths and limitations of the data, methods used, and data uses and users.
Detailed quality and methodology information for coronavirus (COVID-19) age-standardised mortality rates by vaccination status, initially published for Weeks 1 to 26 2021 in “Deaths involving COVID-19 by vaccination status and vaccine manufacturer, England: deaths occurring between 2 Jan and 2 July 2021”.
Latest quality and methodology information on data from the COVID Test and Trace Contacts Insights Survey and its use to examine understanding and adherence to self-isolation guidance. Experimental statistics.
Quality and methodology information on data from the International Arrivals Insights Survey looking at adherence to quarantine requirements by adults arriving in England from an amber list country. Experimental Statistics.
An investigation into the practical use of differential privacy protection, through the application on frequency tables generated from ONS mortality data.
Latest update on the progress being made to improve crime statistics for England and Wales.
An assessment into the comparability of estimates produced from the face-to-face Crime Survey for England and Wales (CSEW) and the Telephone-operated Crime Survey for England and Wales (TCSEW), exploring survey design, sample design, questionnaire changes and modal changes.