| Class 1 primary (employee) contributions |
| Lower earnings limit | £102 weekly (threshold for state pension rights) |
| Primary threshold | £139 weekly |
| Upper earnings limit | £817 weekly |
| Rate on earnings up to the primary threshold | 0% |
| Not contracted out rate | 12% |
| Reduced rate | 2% above upper earnings limit |
| |
| Class 1 secondary (employer) contributions |
| Secondary contributions threshold | £136 weekly |
| Not contracted out rate | 13.8% |
| |
| Class 2 self employed contributions |
| Weekly rate (exemption up to £5,315 annual) | £2.50 |
| |
| Class 4 self employed contributions |
| Annual earnings limit - upper | £42,475 |
| Annual earnings limit - lower | 7,225 |
| Rate on profit between lower and upper limits | 9% then 2% on excess |