Across Wales, in 2021, 2.2% of households (30,000) had fewer bedrooms than required, down from 2.9% (38,000) in 2011.
Ar draws Cymru, roedd gan 2.2% o gartrefi (30,000) lai o ystafelloedd gwely na’r gofyn, i lawr o 2.9% (38,000) yn 2011.