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How do I apply for a National Insurance Number in the UK?


A national insurance number is your own personal account number and is necessary for living in the UK. It acts as a reference number when communicating with the Department of Work and Pensions and HM Revenue & Customs (HMRC), and is used to record your national insurance contributions.

People born in the UK are assigned an NI number and receive a plastic number card shortly before their 16th birthday. This must be kept in a safe place.


People from abroad who wish to work in the UK may apply for a number through the Department for Work and Pensions.

    To apply for a National Insurance number, you generally need:
  • Evidence of employment (i.e. employment contract or pay slip)
  • Passport
  • Letter to confirm your new home address

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