https://www.slab.org.uk/faqs/calculating-income-contributions/
If someone’s disposable income exceeds £3,521 they are eligible on income, but will have to pay a contribution. The following table sets out how the contribution should be calculated:
| Disposable income | Contribution rates applied to income in that range |
| Below £3,521 | 0% |
| £3,522 – £11,540, | 33% |
| £11,541 – £15,743 | 50% |
| £15,744- £26,239 | 100% |
| Over £26,239 | Not eligible |