32.5% (1,001,500) reported that they could understand spoken Welsh, 24.7% (759,200) could read and 22.2% (684,500) could write in Welsh.
Dywedodd 32.5% (1,001,500) y gallent ddeall Cymraeg llafar, gallai 24.7% (759,200) ddarllen yn Gymraeg a 22.2% (684,500) ysgrifennu’n Gymraeg.