Two-adult households were happier than people living on their own, with married couple pensioners having the highest average rating of happiness at 8.1 (on scale of 0 to 10). (
Roedd aelwydydd dau oedolyn yn hapusach na phobl sy'n byw wrth eu hunain, gyda'r pensiynwyr priod yn cofnodi'r lefel uchaf o hapusrwydd ar gyfartaledd, sef 8.1 (ar raddfa rhwng 0 a 10). (