Estimates of the population who were able to speak Welsh by demography, national identity, economic activity, health, and several other characteristics from Census 2021.
Amcangyfrifon o’r boblogaeth oedd yn gallu siarad Cymraeg yn ôl demograffeg, hunaniaeth genedlaethol, gweithgarwch economaidd, iechyd, a nifer o nodweddion eraill o Gyfrifiad 2021.