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National Insurance

Contents

  1. Overview
  2. Your National Insurance number
  3. National Insurance classes
  4. How much you pay
  5. What National Insurance is for
  6. Help if you're not working
  7. Change of circumstance

Change of circumstance

You must tell HM Revenue and Customs (HMRC) if you:

  • change your personal details, for example your name, address or marital status
  • start being self-employed
  • stop being self-employed
  • Previous : Help if you're not working
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Related content

  • Apply for a National Insurance number
  • Find a lost National Insurance number
  • National Insurance credits
  • National Insurance and tax after State Pension age
  • Check your National Insurance record
  • Tax codes

Explore the topic

  • Self-employment
  • National Insurance
  • Money and tax

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