34% (1,037,100) reported that they could understand spoken Welsh, 27% (804,800) could read and 24%(733,600) could write Welsh.
Dywedodd 34% (1,037,100) y gallent ddeall Cymraeg llafar, gallai 27% (804,800) ddarllen yn Gymraeg a 24% (733,600) ysgrifennu’n Gymraeg