A high percentage of fluent Welsh speakers had received nursery and primary education through the medium of Welsh only or mainly (69% and 84% respectively).
Roedd canran uchel o siaradwyr Cymraeg rhugl wedi derbyn addysg feithrin a chynradd drwy gyfrwng y Gymraeg yn unig neu’n bennaf (69% ac 84% yn y drefn honno).