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Rhyddhawyd ar: 18 January 2016
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Gwybodaeth gorfforaethol
The census is older than the Chinese, Egyptian, Greek and Roman civilisations, dating back to the Babylonians in 4000 BC.
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Rhyddhawyd ar: 16 April 2024
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Gwybodaeth gorfforaethol
How to take part in the Winter Coronavirus (COVID-19) Infection Study (Winter CIS) and access to the questionnaire, as well as information on how and why you were selected.
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Rhyddhawyd ar: 16 February 2023
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Gwybodaeth gorfforaethol
How to take part in the Coronavirus (COVID-19) Infection Survey (CIS) and information on how and why you were selected.
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Rhyddhawyd ar: 04 May 2023
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Gwybodaeth gorfforaethol
The Take Part study was an online survey carried out by the Office for National Statistics (ONS) between April 2020 and November 2022. The survey closed on 27 November 2022.
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Rhyddhawyd ar: 16 February 2022
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Gwybodaeth gorfforaethol
The Take Part study was an online survey carried out by the Office for National Statistics (ONS) between April 2020 and November 2022. The survey closed on 27 November 2022.
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Rhyddhawyd ar: 21 July 2025
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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.
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Rhyddhawyd ar: 26 January 2022
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Gwybodaeth gorfforaethol
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Rhyddhawyd ar: 15 September 2020
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Gwybodaeth gorfforaethol
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Rhyddhawyd ar: 28 October 2025
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Gwybodaeth gorfforaethol
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Rhyddhawyd ar: 27 November 2020
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Gwybodaeth gorfforaethol
