Welsh speakers aged 65 or older were more likely than any other age group to report that their social groups were able to speak Welsh.
Roedd siaradwyr Cymraeg 65 oed neu'n hŷn yn fwy tebygol nag unrhyw grŵp oedran arall o ddweud bod eu grwpiau cymdeithasol yn gallu siarad Cymraeg.