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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: 26 May 2016 | Methodoleg
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.
Rhyddhawyd ar: 17 October 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 26 September 2024 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 14 February 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 23 August 2018 | 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.
Rhyddhawyd ar: 01 May 2020 | Methodoleg
Identification of existing threshold rules in Labour Force and Annual Population Surveys, with recommendations to improve consistency and the communication of uncertainty.
Rhyddhawyd ar: 27 November 2025 | Methodoleg
Methodology used to produce our provisional long-term international migration estimates.
Rhyddhawyd ar: 09 October 2024 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 20 May 2020 | Gwybodaeth gorfforaethol