1.4 million usual residents in Wales reported that they had “No religion” in 2021 (46.5% of the population, up from 32.1% in 2011).
Nododd 1.4 miliwn o breswylwyr arferol yng Nghymru “Dim crefydd” yn 2021 (46.5% o'r boblogaeth, i fyny o 32.1% yn 2011).