A national identification number or national identity number is used by the governments of many countries as a means of uniquely identifying their citizens or residents for the purposes of work, taxat
Explanation of identity number in a South African identity document during apartheid
National Insurance number
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The National Insurance number is a number used in the United Kingdom, Guernsey, the Isle of Man and Jersey in the administration of the National Insurance or social security system. It is also used as
National identification number
…the United States developed its Social Security number (SSN) system as a means of organizing disbursing of welfare benefits. The United Kingdom issues National Insurance Numbers for a similar purpose. In these countries, due to lack of an official national identification number, these substitute numbers have become used for…
National Insurance Numbercard (1984-2011), formerly belonging to Zacarias Moussaoui