2.9 million respondents in Wales (93.7%) chose to answer the voluntary religion question in 2021, whereas 195,000 (6.3%) chose not to answer.
Dewisodd 2.9 miliwn o ymatebwyr yng Nghymru (93.7%) ateb y cwestiwn gwirfoddol am grefydd yn 2021, ond dewisodd 195,000 (6.3%) beidio ag ateb.