Data on children in material deprivation and low income and pensioners in material deprivation in Wales, based on the Households Below Average Income data series.
Data ar blant mewn amddifadedd materol ac incwm isel a phensiynwyr mewn amddifadedd materol yng Nghymru, yn seiliedig ar gyfres data Cartrefi Islaw'r Incwm Cyfartalog.