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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: 06 January 2023 | Gwybodaeth gorfforaethol
For UK censuses 1801 to 1991, printed data reports are available. A small number of data are available online from the 1991 Census.
Rhyddhawyd ar: 18 January 2016 | Gwybodaeth gorfforaethol
The Secure Research Service (SRS) is a facility in ONS enabling access to restricted microdata from ONS surveys and other confidential datasets.
Rhyddhawyd ar: 30 January 2024 | Gwybodaeth gorfforaethol
What subnational and local statistics we produce and how to contact us.
Rhyddhawyd ar: 05 February 2016 | Methodoleg
Rhyddhawyd ar: 07 November 2025 | Methodoleg
Quality and methodology information for national population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks) in England and Wales. Details the strengths and limitations of the data, methods used, and data uses and users.
