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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 April 2026 | Methodoleg
The data sources and methodology used to produce mortality assumptions in the 2024-based national population projections.
The data sources and methodology used to produce fertility assumptions in the 2024-based national population projections.
Rhyddhawyd ar: 21 October 2019 | Methodoleg
The data sources and methodology used to produce fertility assumptions in the 2018-based national population projections.
Rhyddhawyd ar: 21 September 2017 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 26 February 2016 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 6 August 2024 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 12 January 2022 | Methodoleg
The data sources and methodology used to produce migration assumptions in the 2020-based interim national population projections.
Rhyddhawyd ar: 28 October 2025 | Methodoleg
Information on the methods used to produce the 2022-based household projections for England.
Rhyddhawyd ar: 21 December 2021 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 9 April 2019 | Methodoleg
An article providing answers to questions on the 2016-based subnational population projections.
