'''Social Security Number''' (SSN) is a number that is assigned to each U.S. citizen in order to track them in the government bureaucracy and the tax system and social security system. After a citizen dies, their SSN is made public via the [[Social Security Death Index]]. | '''Social Security Number''' (SSN) is a number that is assigned to each U.S. citizen in order to track them in the government bureaucracy and the tax system and social security system. After a citizen dies, their SSN is made public via the [[Social Security Death Index]]. |