Is the social security card the same as the ID number?

According to the query method, the social insurance card number and ID number are the same. Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employer and other flexible employees shall apply to the social insurance agency for social insurance registration; The state establishes a unified personal social security number; Personal social security number is a citizen's identity number.