33.0% (1,005,000) reported that they could understand spoken Welsh, 25.2% (769,100) could read and 23.2% (706,700) could write Welsh.
Dywedodd 33.0% (1,005,000) y gallent ddeall Cymraeg llafar, gallai 25.2% (769,100) ddarllen yn Gymraeg a 23.2% (706,700) ysgrifennu’n Gymraeg.