National Insurance Calculator
Employee, employer & self-employed NI — 2025/26
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National Insurance Breakdown — 2025/26
Employee NI (annual)—
Employee NI (monthly)—
Total NI Contributions—
🔒 NI rates for 2025/26: Employee 8% (£12,570–£50,270) then 2%. Employer 15% above £5,000. Self-employed: Class 2 flat rate + Class 4 9% (£12,570–£50,270) then 2%.
National Insurance Rates 2025/26
| Type | Threshold | Rate |
|---|---|---|
| Employee (Class 1) | £12,570 – £50,270 | 8% |
| Employee (Class 1) | Over £50,270 | 2% |
| Employer (Class 1 Secondary) | Over £5,000 | 15% |
| Self-Employed (Class 2) | Over £12,570 | £179/year flat |
| Self-Employed (Class 4) | £12,570 – £50,270 | 9% |
| Self-Employed (Class 4) | Over £50,270 | 2% |
What Does National Insurance Pay For?
NI contributions fund the State Pension, NHS, Jobseeker's Allowance, and other state benefits. You need 35 qualifying years of NI contributions to receive the full new State Pension (£221.20 per week in 2025/26).
Employer NI Changes April 2025
The Autumn 2024 budget increased employer NI from 13.8% to 15% from April 2025. The secondary threshold (the point at which employers start paying NI) also fell from £9,100 to £5,000 per year. This significantly increased employment costs for businesses.