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We moved them to The National Archives website, to keep this website as responsive as possible.
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Dewis pwnc arall neu clirio pob hidlydd.
Methods used to link refugee data to various administrative data in a pilot study led by the Office for National Statistics (ONS) and the Home Office.
Quality and Methodology Information for population of the UK by country of birth and nationality, detailing the strengths and limitations of the data, methods used, and data uses and users.
An introduction to the main concepts that underpin international migration statistics, including answers to frequently asked questions.
Quality and Methodology Information for local area migration, detailing the strengths and limitations of the data, methods used, and data uses and users.
A summary of the current methods in using the administrative data source the Registration and Population Interaction Database (RAPID) from the Department for Work and Pensions in estimating international migration.
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.
An introduction to the main concepts that underpin Short-Term International Migration statistics for local authorities in England and Wales.
Guidance for users containing the methodology and reason for revising official long-term International Passenger Survey (IPS) estimates of non-EU study.