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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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This paper will evaluate two post-tabular disclosure control methods: rounding plus a threshold and cell key perturbation.
Quality and methodology information for population estimates by marital status and living arrangements, detailing the strengths and limitations of the data, methods used, and data uses and users.
A working paper that explores different methodological options for Small Area Population Estimates in the transformed population estimation system
Proposed methods to protect against disclosure in future population and migration outputs, and factors which led to this decision.
Supporting information for origin-destination data from Census 2021 in England and Wales, including how to access and use public, safeguarded and secure datasets.
Details the strengths, limitations, uses, users and methods used for Census 2021, England and Wales.
Quality information affecting Welsh language data from Census 2021 to help correctly interpret them.
Known quality information affecting demography, migration and international migration data from Census 2021 in England and Wales.
Methodology for resolving multiple responses in Census 2021 data.
Automated coding methods for write-in text responses from the Census 2021 online questionnaire and their results.
