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Data on people’s ability in Welsh and how often they speak the language for April 2023 to March 2024.

We consider the census of population to be the key source of information to measure the number of Welsh speakers in Wales. However, as the Annual Population Survey provides quarterly results, it is a useful source to look at trends in Welsh language ability between censuses.


Datasets and interactive tools


Cian Siôn

Rydym yn croesawu gohebiaeth yn Gymraeg / We welcome correspondence in Welsh.


Telephone: 0300 025 8099

Rydym yn croesawu galwadau yn Gymraeg / We welcome calls in Welsh.