National Insurance
| National Insurance – Rates and Allowances | 2024-25 | 2023-24 |
| Lower weekly earnings limit, primary Class 1 | £123 | £123 |
| Upper weekly earnings limit, primary Class 1 | £967 | £967 |
| Primary weekly earnings threshold | £242 | £242 |
| Secondary weekly earnings threshold | £175 | £175 |
| Employees’ primary Class 1 rate between primary earnings threshold and upper earnings limit | 8% | Between 6 April 2023 and 5 January 2024: 12%Between 6 January 2024 and 5 April 2024: 10% |
| Employees’ primary Class 1 rate above upper earnings limit | 2% | 2% |
| Married women’s reduced rate between primary earnings threshold and upper earnings limit | 1.85% | Between 6 April 2023 and 5 January 2024: 5.85%Between 6 January 2024 and 5 April 2024: 3.85% |
| Married women’s rate above upper earnings limit | 2% | 2% |
| Employers’ secondary Class 1 rate above secondary earnings threshold | 13.80% | 13.80% |
| Class 2 weekly rate | £3.45 | £3.45 |
| Special Class 2 weekly rate for share fishermen | £4.10 | £4.10 |
| Special Class 2 weekly rate for volunteer development workers | £6.15 | £6.15 |
| Class 3 voluntary weekly rate | £17.45 | £17.45 |
| Class 4 lower profits limit | £12,570 | £12,570 |
| Class 4 upper profits limit | £50,270 per year | £50,270 per year |
| Class 4 rate between lower profits limit and upper profits limit | 6% | 9% |
| Class 4 rate above upper profits limit | 2% | 2% |
A National Insurance tax free allowance of £5,000 (2023-24: £5,000) is available to offset against employers’ Class 1 secondary NICs subject to certain restrictions.
The allowance is restricted to employers with employer NIC liabilities of under £100,000.
No employers’ contributions are payable in respect of weekly earnings up to £967 paid to employees under 21 nor for qualifying apprentices aged under 25.
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