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Adjusted after-tax income of households

Part A - Short definition:

After-tax income of a household divided by the square root of household size.

Part B - Detailed definition:

Adjusted after-tax income of households refers to the after-tax income of a household that has been adjusted by a factor that accounts for household size. The adjustment factor takes into account the lower relative needs of additional household members, as compared to a person living alone, and is determined by using a scale that assigns a lower value to additional household members. The adjusted after-tax income of households is then computed by dividing the household's after-tax income by the factor. Multiple equivalence scales are used in published data. The one chosen for use with the NHS income data is simply the square root of household size.

Reported in:


Reported for:

Private households and population in private households

Question number(s):

Derived variable


Not applicable


For details on the components of total income, see 'Remarks' under Total income.

See also After-tax income, Household, private and Household size.

This variable is used to help compute the Low-income measure atfer-tax (LIM-AT).

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