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Dewis pwnc arall neu clirio pob hidlydd.
Nid yw holl gynnwys y cyfrifia wedi'i ryddhau. Edrychwch am ddatganiadau sydd i ddod ar y calendr datganiadau. Fel arall, gallwch greu set ddata eich fun.
Rhyddhawyd ar: 21 August 2019 | Erthygl
Rhyddhawyd ar: 21 June 2019 | Erthygl
Rhyddhawyd ar: 24 May 2018 | Erthygl
Rhyddhawyd ar: 28 November 2019 | Methodoleg
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.
Rhyddhawyd ar: 27 February 2020 | Methodoleg
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.
Understanding the reliability and accuracy of Long-Term International Migration estimates, including sampling distribution, sampling error, statistical significance and confidence intervals.
Rhyddhawyd ar: 27 November 2025 | Methodoleg
An explanation of the methods used to produce the latest provisional statistics on migration flows into and out of the UK.
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.
Rhyddhawyd ar: 16 November 2023 | Methodoleg
Administrative data sources and quality assurance in the production of admin-based long-term international migration estimates published in bi-annual releases.
Rhyddhawyd ar: 07 October 2025 | Methodoleg
Method for predicting the stability of non-EU+ long-term international migration (LTIM) estimates, with supporting revision analysis, to provide a probabilistic revision range for the current estimates.
