Cookies are small files stored on your device when you visit a website. We use some essential cookies to make this website work.
We would like to set additional cookies to remember your settings and understand how you use the site. This helps us to improve our services.
You have accepted all additional cookies. You have rejected all additional cookies. You can change your cookie preferences at any time. Hide
Loading search results
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: 25 July 2023 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 26 June 2020 | Gwybodaeth gorfforaethol
In this section, you’ll find information on development and testing towards meeting user need for information on ethnic group, national identity, religion and language.
Rhyddhawyd ar: 09 February 2013 | Erthygl
Rhyddhawyd ar: 26 August 2025 | Data a gyrchwyd gan y defnyddiwr
Rhyddhawyd ar: 06 September 2024 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 28 November 2023 | Gwybodaeth gorfforaethol
Definition of main language (detailed), categories, and changes since the 2011 Census for use with research and analysis using Census 2021 data.
Rhyddhawyd ar: 22 June 2022 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 02 September 2025 | Data a gyrchwyd gan y defnyddiwr
Rhyddhawyd ar: 21 September 2017 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 05 April 2019 | Gwybodaeth gorfforaethol
