Income tax and National Insurance, 2026/27
£40,000 a year is £32,320 in your pocket
That's £2,693 a month, or £622 a week. Top 30% of UK earners — more than 69% of taxpayers.
Income tax 13.7%National Insurance 5.5%Yours 80.8%

Where £40,000 goes
| Line | Per year |
|---|---|
| Personal allowanceTax-free | £12,570 |
| Basic rate income tax20% of £27,430 | £5,486 |
| National Insurance8% up to £50,270, 2% above | £2,194 |
| Take-home pay | £32,320 |
The bits payslips don't show
Effective rate
19%
of your pay goes to HMRC
Marginal rate
28p
of your next pound goes to HMRC
Cost to employer
£45,250
Your salary plus £5,250 employer's National Insurance
All-in rate
29%
of the total cost of employing you ends up with HMRC
Working for the Treasury until
12 March
Your effective rate as a share of the year. After that the pay is yours.
For scale
£29,700
Median UK taxpayer income. The top 10% starts at £67,400, the top 1% at £207,000.