These statistics were compiled from Households Below Average Income data derived from the Family Resource Survey, both managed by the Department for Work and Pensions (DWP).
‌Lluniwyd yr ystadegau hyn o ddata Aelwydydd islaw Incwm Cyfartalog sy'n deillio o'r Arolwg Adnoddau Teuluol, y ddau wedi'u rheoli gan yr Adran Gwaith a Phensiynau (DWP).