Question to the HM Treasury:

To ask His Majesty's Government how many adults in the UK they expect not to pay any income tax in the financial year 2025–26.

Data on the number of UK adults who are not liable to pay income tax are not currently held or published.

HMRC publishes projections for the total number of Income Taxpayers per year in Table 2.1 of the Income Tax liabilities statistics. [1] Current projections show that there are estimated to be 39.1 million Income Taxpayers in the UK in the 2025 to 2026 financial year.

The Office for National Statistics publishes projections for the total number of people in the UK by age in their population projections. [2] They currently estimate there to be 55.9 million individuals aged 18 or over in the UK in 2025.

[1] Table 2.1 of our Accredited official statistics (gov.uk).

[2] Zipped population projections data files, UK - Office for National Statistics