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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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Supporting information for divorce statistics in England and Wales. Figures are based on information recorded during the divorce process.
Quality and methodology information for national population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks) in England and Wales. Details the strengths and limitations of the data, methods used, and data uses and users.
Quarterly statistics on crime levels and trends in England and Wales, including detailed information on datasets used to compile our crime statistics.
Methodology information for the Adult smoking habits in the UK annual statistical bulletin
Information on the methods used to produce the 2022-based household projections for England.
Quality and Methodology Information report for household projections for England.
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.
Quality and methodology information (QMI) for annual mid-year population estimates of the very old, including centenarians. Includes strengths and limitations, methods, and data uses and users.
What the population estimates by marital status and living arrangements cover, how we produce them, and their quality and comparability. Includes definitions and latest, past and upcoming changes.
Supporting information for mortality statistics, which present figures on deaths registered in England and Wales in a specific week, month, quarter or year.
