The rate of children looked after per 10,000 population aged under 18 has been calculated based on the 2020 mid-year estimates provided by ONS.
Dadansoddiad gan ddefnyddio data cysylltiol i amcangyfrif nifer y plant sy’n byw mewn aelwydydd sy’n cymryd camau gwarchod ym mis Mehefin 2020.