The remaining 76.3% (1.0 million) of households in Wales had more bedrooms than required compared to 68.8% (16.1 million) of households in England.
Roedd gan y 76.3% (1.0 miliwn) o gartrefi yng Nghymru sy’n weddill fwy o ystafelloedd gwely na’r gofyn, hynny o’u cymharu â 68.8% (16.1 miliwn) o gartrefi yn Lloegr.