Question to the HM Treasury:

To ask the Chancellor of the Exchequer, pursuant to the Answer of 20 December 2024 to Question 19379 on Marginal Tax Rates, whether she has made an assessment of the potential impact of people earning just under £100,000 (a) working additional hours and (b) receiving a pay rise on the (i) 60% effective marginal rate of taxation and (ii) loss of childcare support.

As set out previously, within the personal tax system, withdrawal of the Personal Allowance affects those with income over £100,000 a year. It was introduced in 2010-11 and occurs gradually, with £1 of allowance lost for every £2 of income above the income limit of £100,000, implying an effective marginal income tax rate of 60 per cent. This reduction continues until the Personal Allowance is completely withdrawn for those with incomes above £125,140.

The Government recognises that because of this, taxpayers with incomes within the taper band face a higher a marginal tax rate and that it introduces some complexity into the tax system. However, removing this would be expensive and regressive.

Families are not eligible for the 30 free hours or tax-free childcare offers if one parent earns over £100,000. The income cap is per person and aligns with an existing boundary in the tax system. This means there is no incentive for the lower earner in the household to reduce their income in order to be eligible.

The Government is committed to managing the public finances in a balanced and responsible way, and this means continuing to target support at those who need it most.