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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.
We describe the Household Costs Indices and how they are calculated. Part of technical guidance on consumer prices indices.
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.
How measures of consumer price inflation and associated indices are compiled.
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 UK natural capital accounts cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
Quality and Methodology Information for births occurring and registered in England and Wales. Data strengths and limitations, methods, and data uses and users.
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.
Methodology for the data collection, aggregation, analysis and presentation for the real-time indicators bulletin.
