This column chart shows the percentage of people aged three or older able to understand spoken Welsh, speak, read or write Welsh in 2021 and how these have changed since 2011.
Mae’r siart colofn hwn yn dangos canran y bobl tair oed neu’n hŷn sy’n gallu deall Cymraeg llafar, siarad, darllen neu ysgrifennu Cymraeg yn 2021 a sut mae’r rhain wedi newid ers 2011.