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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: 14 December 2021 | Gwybodaeth gorfforaethol
Where to find information on taking part in the census and how local authorities and community groups can provide support.
Rhyddhawyd ar: 17 December 2018 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 29 September 2016 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 18 January 2016 | Gwybodaeth gorfforaethol
The roots of census taking in England can be traced to the Domesday Book in 1086, and the Hundred Rolls of 1279.
The census is older than the Chinese, Egyptian, Greek and Roman civilisations, dating back to the Babylonians in 4000 BC.
Rhyddhawyd ar: 15 September 2020 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 21 July 2025 | Gwybodaeth gorfforaethol
Watch our video to find out what happens when you take part in an ONS survey, why we need the information and how we keep it safe and secure.
Rhyddhawyd ar: 26 January 2022 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 28 October 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 22 March 2023 | Gwybodaeth gorfforaethol
