32.7% (990,300) reported that they could understand spoken Welsh, 25.5% (777,400) could read and 23.3% (705,500) could write Welsh.
Dywedodd 32.7% (990,300) y gallent ddeall Cymraeg llafar, gallai 25.5% (777,400) ddarllen yn Gymraeg a 23.3% (705,500) ysgrifennu’n Gymraeg.