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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: 19 March 2019 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 26 April 2013 | Methodoleg
Rhyddhawyd ar: 20 February 2017 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 28 April 2026 | Methodoleg
Quality and methodology information for national population projections, detailing the strengths and limitations of the data, methods used and data uses and users.
Rhyddhawyd ar: 19 August 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 20 June 2018 | Methodoleg
Summarises methodological changes being implemented for the 2016-based household projections for England.
Rhyddhawyd ar: 26 October 2017 | Methodoleg
Rhyddhawyd ar: 25 May 2016 | Methodoleg
This document provides answers to some questions we think users may ask which are specific to the 2014-based subnational population projections.
The data sources and methodology used to produce migration assumptions in the 2024-based national population projections.
Rhyddhawyd ar: 24 June 2025 | Methodoleg
Methodology article comparing the 2012-, 2014-, 2016- and 2018-based subnational population projections for 2021 with the 2021 mid-year estimates for England. Analysis includes the impact of rebasing and different components of change on SNPP accuracy.
