The next largest religious affiliation in Wales was “Muslim”, with 2.2% of the population (67,000 usual residents) identifying as “Muslim” in 2021.
Dewisodd 2.9 miliwn o ymatebwyr yng Nghymru (93.7%) ateb y cwestiwn am grefydd yn 2021, a dewisodd 195,000 (6.3%) beidio ag ateb.