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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: 04 December 2024 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 20 May 2020 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 10 September 2021 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 17 June 2021 | Gwybodaeth gorfforaethol
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: 28 February 2019 | Methodoleg
Guidance for users containing the methodology and reason for revising official long-term International Passenger Survey (IPS) estimates of non-EU study.
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.
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.
Rhyddhawyd ar: 07 March 2016 | Methodoleg
Differences between International Passenger Survey and National Insurance Number statistics (as shown in the Migration Statistics Quarterly Report)
Rhyddhawyd ar: 18 March 2020 | Methodoleg
Upcoming improvements to the International Passenger Survey methods to be introduced on 22 May 2020, with final 2019 results and a revised back series.
