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Class 4 National Insurance: how much do you need to pay?

We've updated this guide on 5th March 2021

You need to pay Class 4 National Insurance contributions if you’re self-employed and earning over £9,501 a year (in 2020/21).

Most people pay it through your Self Assessment tax return bill.

How much do I need to pay?

In the 2019/20 tax year, your Class 4 National Insurance contributions will be:

  • 9% on profits between £9,568 and £50,270
  • 2% on profits over £50,270.

This is on top of your Class 2 National Insurance contributions (about £156 a year).

How can I pay it?

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