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Tax Rates & Allowances

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National Insurance

The rates and thresholds for National Insurance Contributions for 2023/24 are:

Class: Monthly earnings Rate
Employer Class 1 above Secondary threshold Over £758 13.8%
Employee's class 1 £823 to £4189 12%
Employee's additional class 1 Over £4189 2%
Married woman's rate* £823 to £4189 7.1%
Self-employed class 2 (per week) N/A £3.45
Share fishermen class 2 (per week) N/A £3.80
Volunteer development workers class 2 N/A £6.15
Class 3 ( per week) N/A £17.45
Annual profit thresholds
Self-employed class 4 £11,908 to £50,270 9%
Self-employed class 4 additional rate Over £50,270 2%

*only available for women who made a valid married woman's election before 11 May 1977.

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