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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.
Explains the relationship between income and earnings data and outlines the statistics produced by the Office for National Statistics, Department for Work and Pensions and HM Revenue and Customs.
Links to guidance, methodology and information documents for crime statistics in England and Wales.
Quality and methodology information for multi-factor productivity estimates, detailing strengths and limitations of the data, and data uses and users.
Quality and methodology information for compositionally adjusted labour input (CALI), detailing the strengths and limitations of the data, methods used, and data uses and users.
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 the Opinions and Lifestyle Survey (OPN), including strengths and limitations, recent improvements and quality characteristics.
Evaluation of questions to measure domestic abuse in the Crime Survey for England and Wales.
Response rates, sample size and quality assessment of our quarterly Labour Force Survey.
