Around half (46%) of elected County Councillors and 56% of elected Community Councillors who responded to the survey were aged 60 years or older.
Roedd amseriad yr wybodaeth a gawsant am y bwndel yn briodol i fwyafrif (46 o blith 57) y rhieni a ymatebodd i'r arolwg a'r rhai a gafodd eu cyfweld.