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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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User guide for the UK Measures of National Well-being framework (UKMNW), providing detail on the headline and comprehensive measure set. Includes metadata tables of the measures, information on how estimates are produced, and how change over time is measured.
We describe the Household Costs Indices and how they are calculated. Part of technical guidance on consumer prices indices.
How measures of consumer price inflation and associated indices are compiled.
How consumer price inflation data are published, revised and supplemented with additional outputs. This is part of our technical guidance on consumer prices indices.
Quality and Methodology Information for the Household Costs Indices for UK household groups.
Quality and Methodology Information for births occurring and registered in England and Wales. Data strengths and limitations, methods, and data uses and users.
Supporting information for birth statistics, which present figures on births that occur and are then registered in England and Wales. Figures are based on information collected at birth registration.
What the statistics cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
Quality and Methodology Information for long-term international migration statistics, detailing the strengths and limitations of the data, methods used, and data uses and users.
An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.
