-
Released on: 22 May 2025
|
Methodology
An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.
-
Released on: 26 February 2025
|
Methodology
Our planned publication schedule, approach to revisions and the availability of data in our admin-based population and migration statistical system.
-
Released on: 14 October 2024
|
Methodology
Quality and Methodology Information for long-term international migration statistics, detailing the strengths and limitations of the data, methods used, and data uses and users.
-
Released on: 15 July 2024
|
Methodology
This report provides information about the quality strategy underpinning the future population and migration statistics system in England and Wales.
-
Released on: 27 January 2023
|
Methodology
The Census 2021 Data Asset high-level design: exploring the feasibility of maintaining an anonymised person-level longitudinal data source based on Census 2021.
-
Released on: 12 January 2022
|
Methodology
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
-
Released on: 27 February 2020
|
Methodology
Understanding the reliability and accuracy of Long-Term International Migration estimates, including sampling distribution, sampling error, statistical significance and confidence intervals.
-
Released on: 24 May 2019
|
Methodology
An introduction to the main concepts that underpin Short-Term International Migration statistics for local authorities in England and Wales.
-
Released on: 24 May 2019
|
Methodology
-
Released on: 23 August 2018
|
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.