Amazon SSN refers to the Social Security Number (SSN) that Amazon requires American employees to provide. The Social Security Number is a unique identification number issued by the US government to American citizens and residents, similar to China's ID card number. Amazon requires employees to provide SSN mainly to facilitate employees' tax and social insurance matters, and also to facilitate the company to verify the identity of employees. SSN is personal sensitive information, please protect your SSN to avoid being used by criminals to cause property and identity security risks.