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Rhyddhawyd ar: 30 November 2017
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Methodoleg
More details on the data sources used in the MSQR and their comparability, and the quality of the data for both flows and stocks.
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Rhyddhawyd ar: 16 October 2017
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Methodoleg
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Rhyddhawyd ar: 28 November 2024
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Methodoleg
An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.
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Rhyddhawyd ar: 15 July 2024
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Methodoleg
This report provides information about the quality strategy underpinning the future population and migration statistics system in England and Wales.
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Rhyddhawyd ar: 07 December 2023
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Methodoleg
Proposed methods to protect against disclosure in future population and migration outputs, and factors which led to this decision.
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Rhyddhawyd ar: 12 January 2022
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Methodoleg
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
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Rhyddhawyd ar: 30 November 2021
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Methodoleg
An introduction to the main concepts that underpin international migration statistics, including answers to frequently asked questions.
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Rhyddhawyd ar: 27 February 2020
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Methodoleg
Understanding the reliability and accuracy of Long-Term International Migration estimates, including sampling distribution, sampling error, statistical significance and confidence intervals.
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Rhyddhawyd ar: 21 October 2019
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Methodoleg
The data sources and methodology used to produce migration assumptions in the 2018-based national population projections.
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Rhyddhawyd ar: 23 August 2018
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Methodoleg
This background note provides an overview of the quality of the International Passenger
Survey (IPS) for estimating international migration flows and has been updated following additional work carried out during 2017. This includes the implementation of electronic questionnaires on tablets to replace the current paper questionnaires, an out-of-hours pilot, and a comparison of how other countries measure long-term immigration.
