69.0% of all households in Powys were one-person or two-person households with no children, while in Ceredigion and Conwy, the corresponding figures were 68.8% and 68.7% respectively.
Roedd 69.0% o holl aelwydydd Powys yn aelwydydd un person neu ddau berson heb blant, ac yng Ngheredigion a Chonwy y ffigurau cyfatebol oedd 68.8% a 68.7% yn y drefn honno.