ou pay National Insurance contributions to qualify for certain benefits and the State Pension. It is similar to Tax as it is deducted from your pay by your employer and paid direct to HMRC. You will need to have a NI number when you start your employment.
There are different classes of NI contributions, the type you pay depends on your employment status and how much you earn. You should only pay for the weeks that you earn above the threshold, this means you should not overpay NI.
f you live in the UK you should receive your NI number automatically on your 16th birthday. If not from the UK, you can apply for a NI number by telephoning Jobcentre Plus. All the information you need to make an application is available on the government website
. You must have the right to work in the UK in order to be given a NI number.