33% (992,500) reported that they could understand spoken Welsh, 26% (774,700) could read and 23% (710,000) could write Welsh.
Dywedodd 33% (992,500) y gallent ddeall Cymraeg llafar, gallai 26% (774,700) ddarllen yn Gymraeg a 23% (710,000) ysgrifennu’n Gymraeg