The Office for National Statistics (ONS) is expected to publish the results of the 2021 Census in relation to the Welsh language between spring 2022 and spring 2023.
Mae disgwyl i’r Swyddfa Ystadegau Gwladol gyhoeddi canlyniadau Cyfrifiad 2021 yn ymwneud â’r Gymraeg rhwng gwanwyn 2022 a gwanwyn 2023.