The Welsh language transmission rate for couple households where only one partner was able to speak Welsh was higher where the Welsh speaking partner was a female (45%) rather than a male (34%).
Roedd siaradwyr Cymraeg ddwywaith yn fwy tebygol o siarad Cymraeg bob dydd os oedd o leiaf un rhiant rhugl Cymraeg ganddynt, o gymharu â’r siaradwyr Cymraeg hynny nad oedd ganddynt riant rhugl.