The January 2020 census did not undergo the usual final validation process as part of the Welsh Local Government Finance Settlement due to the first national lockdown from March 2020.
Ni chynhaliwyd y broses ddilysu derfynol arferol yng nghyfrifiad Ionawr 2020 fel rhan o Setliad Cyllid Llywodraeth Leol Cymru oherwydd y cyfyngiadau symud cenedlaethol cyntaf o fis Mawrth 2020.