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National Insurance

National Insurance (NI) is a state tax on your earnings. Find out how it works, how much you'll pay and what you're entitled to when you make NI contributions. 

How much NI should I expect to pay?

Use our calculator to see how much National Insurance you'll be required to pay in 2018/19.

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What is National Insurance?
Find out everything you need to know about National Insurance and your National Insurance number.
National Insurance rates
National Insurance rates differ depending on whether you're an employee or work for yourself. Here, we run though how much you'll pay, depending on your employment ...
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National Insurance credits
Learn what National Insurance credits are, how they work and when you can claim them.
National Insurance contributions
Your National Insurance bill depends on how much you earn, and how you earn it - find out who pays what.
National Insurance and benefits
Find out the benefits you may receive as a result of making National Insurance contributions.
National Insurance and state pension
Find out how your National Insurance contribution record affects your state pension entitlement.  

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