Almost half (45.7%) of communal establishment residents were aged 16 to 24 years, and a further 17.0% were aged 85 years and above.
Roedd bron hanner (45.7%) preswylwyr sefydliadau cymunedol yn 16 i 24 oed, ac roedd 17.0% arall yn 85 oed neu’n hŷn.