34% (1,030,500) reported that they could understand spoken Welsh, 27% (799,000) could read and 24% (729,800) could write Welsh.
Dywedodd 34% (1,030,500) y gallent ddeall Cymraeg llafar, gallai 27% (799,000) ddarllen yn Gymraeg a 24% (729,800) ysgrifennu’n Gymraeg.