The person response rate for Census 2021 in Wales was 96.4% of the usual resident population of Wales, and over 94% in all local authorities.
Y gyfradd ymateb unigolion ar gyfer Cyfrifiad 2021 yng Nghymru oedd 96.4% o'r boblogaeth breswyl arferol, a dros 94% ym mhob awdurdod lleol.