Children aged 3 to 15 are much more likely to have started learning to speak the language at school than those aged 65 or older (69% compared to 15%).
Roedd y rhai 3 i 15 oed yn llawer fwy tebygol o fod wedi dechrau dysgu siarad yr iaith yn yr ysgol na’r rhai 65 oed neu hŷn (69% ar gyfer y rhai 3 i 15 oed, a 15% ar gyfer y rhai 65 oed neu hŷn).