What does the social security number mean?

This figure is the only sign to realize the convergence of social insurance rights and interests.

Personal social security number is a citizen's identity number. Social security number is the only sign that citizens participate in social insurance, enjoy social insurance benefits and realize the connection of social insurance rights and interests, and it is also an important sign that citizens enjoy social security rights and interests. The social security number is required to be unique in the country, unchanged for life and unified in rules.