Where to find your National Insurance number You can find your NIN on multiple documents, from P60s, payslips, tax letters, pensions and benefits. If you have the HMRC app, you can locate it on ...

National Insurance is paid by most workers who are 16 or over, earning at least £242 a week and under state pension age.

A National Insurance number makes sure your contributions and tax are only recorded against your name. Once you have an NI number, it will never change. It will consist of two letters, six numbers ...

You’ll usually get a letter confirming your National Insurance number shortly before your 16th birthday. This will be sent to the address HMRC has for you.

This is true even for 16-year-olds, who are over 50 years away from retirement and unlikely to even pay tax. Yet, hidden in the string of numbers and letters that make up your NI number are two ...

If your profits are £6,725 or more a year, Class 2 contributions are treated as having been paid to protect your National Insurance record, meaning you don't actually have to make these payments ...