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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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Quality and Methodology Information (QMI) report for the Producer Price Index, detailing the strengths and limitations of the data, methods used, and data uses and users.
Quality and methodology information for the Management and Expectations Survey (MES), including strengths and limitations of the data, recent corrections, methods, and data uses and users.
Links to guidance, methodology and information documents for crime statistics in England and Wales.
Supporting information on the data used in our published marriage tables, which provide statistics on marriages that took place in England and Wales during the latest available data year.
Methods used to link Companies House persons of significant control to Census 2021 deterministically.
Quality and Methodology Information for environmental goods and services sector statistics, detailing the strengths and limitations of the data, methods used and data uses and users.
Quality and Methodology Information (QMI) report for environmental protection expenditure accounts estimates, detailing the strengths and limitations of the data, methods used, and data uses and users.
Quality and methodology information for environmental taxes statistics, detailing the strengths and limitations of the data, methods used and data uses and users.
Response rates, sample size and quality assessment of the Office for National Statistics quarterly Labour Force Survey.
Quarterly statistics on crime levels and trends in England and Wales, including detailed information on datasets used to compile our crime statistics.