For the first time in Wales, the proportion of the population stating they had no religion (49.9%) was higher than the proportion identifying as Christian (45.8%).
Am y tro cyntaf yng Nghymru, roedd y gyfran o’r boblogaeth a nododd nad oedd ganddynt grefydd (49.9%) yn uwch na’r gyfran a nododd eu bod yn Gristnogion (45.8%).