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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.
Findings from analysis to investigate whether increases in anti-social behaviour (ASB) are a result of an order effect caused by changes to the survey instrument or are indicative of a genuine rise in these experiences.
A method for deciding which pre-existing condition mentioned on death certificates is the main pre-existing condition.
Information on the methods used to produce the 2018-based subnational population projections.
Upcoming improvements to the International Passenger Survey methods to be introduced on 22 May 2020, with final 2019 results and a revised back series.
Exploratory analysis of the relationship between optimism and personal well-being using questions from the 2019 Opinions and Lifestyle (OPN) survey.
Quality and Methodology Information for child abuse detailing the strengths and limitations of the data, methods used and data uses and users.
Methods used to produce small area income estimates for local areas in England and Wales, known as Middle layer Super Output Areas (MSOAs), including information on the quality of the models and estimates.
Understanding the reliability and accuracy of Long-Term International Migration estimates, including sampling distribution, sampling error, statistical significance and confidence intervals.
In-depth look at methodology of both Long-Term International Migration (LTIM) and the International Passenger Survey (IPS), including preliminary adjustments, assumptions made for variables, and changes over time.
Assessing the quality of unofficial data sources in the context of disaster reporting.
