>>There is no centralized ID number, the closest is your social security number Until you find out that due to a cock up years ago the National Insurance numbe

>>There is no centralized ID number, the closest is your social security number Until you find out that due to a cock up years ago the National Insurance numbers are not guaranteed to be unique, and you realize that somehow the best proof of identity British people have is a humble driving licence because DVLA is at least somewhat competent.