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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: 28 January 2025 | Methodoleg
The data sources and methodology used to produce migration assumptions in the 2022-based national population projections.
Methodology on the comparison of national population projections from 1971 to 2022 with population estimates, births, long-term international migration, and deaths, including measures of error.
Rhyddhawyd ar: 21 October 2019 | Methodoleg
The data sources and methodology used to produce mortality assumptions in the 2018-based national population projections.
The data sources and methodology used to produce migration assumptions in the 2018-based national population projections.
Rhyddhawyd ar: 10 March 2021 | Methodoleg
Guidance for users about the coherence and comparability of household projections for England, Wales, Scotland and Northern Ireland.
General background information on the methods used to produce the 2018-based national population projections.
Rhyddhawyd ar: 4 February 2016 | Methodoleg
The data sources and methodology used to produce mortality assumptions in the UK 2022-based national population projections.
The data sources and methodology used to produce fertility assumptions in the 2022-based national population projections.
Rhyddhawyd ar: 27 August 2019 | Methodoleg
High-level user guidance about the uses, methodology, assumptions and input data for household projections for England.
