National Insurance

Class 1 Contracted In:

Payable on weekly earnings of Employee Employer
Up to £105 (£100) 0% (0%) 0% (0%)
£105.01 - £770 (£100.01 - £670) 11% (11%) 12.8% (12.8%)
Over £770 (£670) 1% (1%) 12.8% (12.8%)

Contracted Out:

Employees the 11% (11%) rate reduces to 9.4% (9.4%)

Class 2 (flat rate for self employed) £2.30 (£2.20) per week. (small earnings exception:£4,825p.a.)

Class 3 (voluntary) (£8.10) (£7.80) per week.

Class 4 (self employed) 8% (8%) profits between £5,435 (£5,225) and £40,040 (£34,840) per annum and 1% (1%) on profits above £40,040 (£34,840).