34% (1,012,500) reported that they could understand spoken Welsh, 26% (785,800) could read and 24% (717,800) could write Welsh.
Dywedodd 34% (1,012,500) y gallent ddeall Cymraeg llafar, gallai 26% (785,800) ddarllen yn Gymraeg a 24% (717,800) ysgrifennu’n Gymraeg.