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Released on: 28 November 2019
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Methodology
Quality and methodology Information for Long-Term International Migration estimates, detailing the strengths and limitations of the data, methods used and data users and uses.
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Released on: 30 November 2017
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Methodology
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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Released on: 28 November 2024
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Methodology
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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Released on: 15 July 2024
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Methodology
This report provides information about the quality strategy underpinning the future population and migration statistics system in England and Wales.
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Released on: 07 December 2023
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Methodology
Proposed methods to protect against disclosure in future population and migration outputs, and factors which led to this decision.
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Released on: 12 January 2022
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Methodology
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
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Released on: 30 November 2021
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Methodology
An introduction to the main concepts that underpin international migration statistics, including answers to frequently asked questions.
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Released on: 27 February 2020
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Methodology
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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Released on: 21 October 2019
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Methodology
The data sources and methodology used to produce migration assumptions in the 2018-based national population projections.
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Released on: 23 August 2018
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Methodology
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.
