In December 2022, the first release of data about the Welsh language from Census 2021 was published, which showed that the number of Welsh speakers had fallen to 538,300.
Ym mis Rhagfyr 2022 cyhoeddwyd y datganiad cyntaf o ddata ar gyfer y Gymraeg o Gyfrifiad 2021, a oedd yn dangos bod nifer y siaradwyr Cymraeg wedi gostwng i 538,300.