The proportion of adults in Wales who were married or in a registered civil partnership in 2021 was 43.8%, while 37.2% had never married or registered a civil partnership.
Roedd cyfran yr oedolion yng Nghymru a oedd yn briod neu mewn partneriaeth sifil gofrestredig yn 2021 yn 43.8%, gyda 37.2% erioed wedi priodi na chofrestru partneriaeth sifil.