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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 November 2023 | Gwybodaeth gorfforaethol
Definition of family type and Welsh-speaking adults, categories, and changes since the 2011 Census for use with research and analysis using Census 2021 data.
Rhyddhawyd ar: 4 February 2022 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 9 June 2017 | Gwybodaeth gorfforaethol
Definition of number of people aged 3 years and over who can speak Welsh, categories, and changes since the 2011 Census for use with research and analysis using Census 2021 data.
Rhyddhawyd ar: 17 June 2025 | Gwybodaeth gorfforaethol
The delivery of Census 2021 in Wales, including testing, Welsh language, data collection, quality assurance and outputs.
Rhyddhawyd ar: 18 January 2016 | Gwybodaeth gorfforaethol
Outlines the process for getting the 2011 Census English and Welsh language questionnaires out to households and returned, either via post or online.
The census in Wales has differed from that in England since 1891. The 2011 Census was more tailored for people in Wales and Welsh speakers than previous censuses.
