Income tax and National Insurance, 2026/27

£45,000 a year is £35,920 in your pocket

That's £2,993 a month, or £691 a week. Top 25% of UK earners — more than 75% of taxpayers.

Income tax 14.4%National Insurance 5.8%Yours 79.8%

Employee on a standard tax code in England, Wales or Northern Ireland. No pension, student loan or benefits in kind. Assumptions.

Every pound you earn, cut three ways

Where £45,000 goes

Line	Per year
Personal allowanceTax-free	£12,570
Basic rate income tax20% of £32,430	£6,486
National Insurance8% up to £50,270, 2% above	£2,594
Take-home pay	£35,920

Effective rate

20%

of your pay goes to HMRC

Marginal rate

28p

of your next pound goes to HMRC

Cost to employer

£51,000

Your salary plus £6,000 employer's National Insurance

All-in rate

30%

of the total cost of employing you ends up with HMRC

Working for the Treasury until

15 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.