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We moved them to The National Archives website, to keep this website as responsive as possible.
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Dewis pwnc arall neu clirio pob hidlydd.
Explains the methods and data sources we use to record pensions in fiscal statistics.
A joint statement with The Pensions Regulator (TPR) and the Pension Protection Fund (PPF) on defined benefit pensions, summarising the different approaches taken to data collection and how the data are used by the three organisations.
Known quality information affecting sexual orientation and gender identity data from Census 2021 in England and Wales to help users correctly interpret the statistics.
Quality and Methodology Information for Unexplained deaths in infancy: England and Wales, detailing the strengths and limitations of the data, methods used and data uses and users.
Important information to inform users and explain any misunderstandings around our migration statistics.
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 domestic abuse detailing the strengths and limitations of the data, methods used and data uses and users.
Quality and Methodology Information for estimates of UK quarterly greenhouse gas emissions, detailing methods used, data it provides, and strengths and limitations
Methodology for national population estimates broken down into small geographical areas – Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks.