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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: 25 May 2017 | Methodoleg
Rhyddhawyd ar: 22 May 2025 | Methodoleg
Methodology used to produce our provisional long-term international migration estimates.
Rhyddhawyd ar: 26 June 2023 | Methodoleg
Supplementary information on research using administrative data for the future of population and migration statistics.
Rhyddhawyd ar: 27 January 2023 | Methodoleg
The Census 2021 Data Asset high-level design: exploring the feasibility of maintaining an anonymised person-level longitudinal data source based on Census 2021.
Rhyddhawyd ar: 24 May 2018 | Methodoleg
Rhyddhawyd ar: 26 May 2016 | Methodoleg
Rhyddhawyd ar: 09 March 2023 | Methodoleg
How and why the Office for National Statistics (ONS) carried out statistical disclosure control on Census 2021 data.
Rhyddhawyd ar: 04 February 2016 | Methodoleg
Rhyddhawyd ar: 01 December 2023 | Methodoleg
Supporting information for origin-destination data from Census 2021 in England and Wales, including how to access and use public, safeguarded and secure datasets.
Rhyddhawyd ar: 25 August 2022 | Methodoleg
A guide to using country of birth, nationality, and passports held data and statistics. Including definitions of each measure, how these are collected in different data sources and how best to use international migration statistics based on these measures.