Low income households are those that had a total household income below 70% of the UK average household income, before housing costs were paid.
Fodd bynnag, mae chwyddiant wedi effeithio ar safonau byw, gydag incwm gwario aelwydydd y Deyrnas Unedig y pen yn parhau i fod yn is na’r lefel cyn y pandemig ar ôl ystyried chwyddiant.