Is the social security account number a card number or an ID number?

The identity card number of the insured.

According to the legal inquiry, the social security card number is the "social security number" on the front of the social security card and the national social security number as the identity card number of the insured. The social security card is the electronic certificate for cardholders to enjoy social security and public employment services. It records the basic identity information, insurance information and payment records of the insured, and has the basic functions of information recording, information inquiry and business handling. Legal basis: Article 2 of the Administrative Measures of the People's Republic of China on Social Security Cards. The term "social security card" as mentioned in these Measures refers to an integrated circuit card issued to the public and mainly used for government social management and public services in the fields of human resources and social security. The social security card is the electronic certificate for cardholders to enjoy social security and public employment services. It has the basic functions of information recording, information inquiry and business handling.