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National insurance

Earnings thresholds and contribution percentages for Class 1 (employed), Class 2 and 4 (self-employed) and Class 3 (voluntary) national insurance contributions.

Class 1

Employees start paying Class 1 NIC from age 16 (if sufficient earnings).

Employers pay Class 1 NIC in accordance with the table below.

Employer NIC for employees under the age of 21 and apprentices under the age of 25 is reduced from the normal rate of 13.8% to 0% up to the Upper Secondary Threshold.

Employees Class 1 NIC stop when they reach their 'State Pension age'. The employer's contribution continues.

Employees

2017/18:

Earnings per week %
Up to £157 Nil 1
£157.01 - £866 12
Over £866 2

Note...

  1. Entitlement to state pension and other 'contribution-based benefits' is retained for earnings between £113 and £157 per week

2016/17:

Earnings per week %
Up to £155 Nil 1
£155.01 - £827 12
Over £827 2

Note...

  1. Entitlement to state pension and other 'contribution-based benefits' is retained for earnings between £112 and £155 per week.

Employers

2017/18:

Earnings per week %
Up to £157 Nil
Over £157 13.8
Upper Secondary Threshold (for under 21s and apprentices under 25)
Up to £866
0

2016/17:

Earnings per week %
Up to £156 Nil
Over £156 13.8
Upper Secondary Threshold (for under 21s and apprentices under 25)
Up to £827
0

Other National Insurance payable by employers

Class 1A

13.8% on broadly all taxable benefits provided to employees.

Class 1B

13.8% on PAYE Settlement Agreements.

Class 2 and 4 (self-employed)

A self-employed person starts paying Class 2 and Class 4 NIC from 16 or over (if sufficient profits).

Class 2 NIC stop when a person reaches State Pension age.

Class 4 NIC stop from the start of the tax year after the one in which the person reaches State Pension age.

2017/18:

Class 2 (£)
Flat rate per week 2.85
Small Profits Threshold (per annum) 1 6,025

2016/17:

Class 2 (£)
Flat rate per week 2.80
Small Profits Threshold (per annum) 1 5,965

Note...

  1. No Class 2 is due if the amount of trading profits assessable to income tax and Class 4 NIC is below this figure. However, a person might decide to carry on paying class 2 voluntarily to accrue entitlement to the State Pension and entitlement to other benefits.

Class 4

2017/18:

Annual profits %
Up to £8,164 Nil
£8,164.01 - £45,000 9
Over £45,000 2

2016/17:

Annual profits %
Up to £8,060 Nil
£8,060.01 - £43,000 9
Over £43,000 2

Class 3

A person needs 35 years (30 years if State Pension age is before 6 April 2016) of NIC to get a full State Pension.

Class 3 voluntary contributions can be paid to fill or avoid gaps in a NI record.

Flat rate per week: £14.25 (2016/17: £14.10)