Is the Ni number on your id?

The NI number, or National Insurance number, is typically found on documents like your National Insurance card, payslips, and tax returns, but it is not usually printed on standard identification cards like a driver's license or passport. If you need to locate your NI number, you can find it on official correspondence from HM Revenue and Customs (HMRC) or by logging into your personal tax account online. If you have further questions about it, consulting official resources or contacting HMRC directly would be advisable.