14.8% of all nurses with known age and gender were aged 60 to 64, and 4.5% were aged 65 or older.
Roedd 14.8% o'r holl nyrsys, yr oedd eu hoedran a’u rhyw yn hysbys, rhwng 60 a 64 oed, a 4.5% yn 65 oed neu'n hŷn.