Can social security be merged automatically?

Social security will not merge automatically.

In the same city, an ID number is a social security account. No matter how many companies pay, it is in the social security account. It cannot be paid repeatedly, but can be displayed in the social security system of the same city.

The conditions for social security integration mainly include:

1. Applicants must have multiple social security relationships, that is, they have participated in multiple social security projects at the same time.

2. Applicants must meet certain conditions, such as reaching the statutory retirement age and the payment period reaching a certain number of years.

3. Applicants need to provide relevant certification materials, such as ID cards, social security cards, payment vouchers, etc.

To sum up, the conditions of social security merger include that the applicant has multiple social security relationships and meets certain conditions, and relevant certification materials are required.

Legal basis:

People's Republic of China (PRC) social insurance law

Article 57

The employing unit shall, within 30 days from the date of its establishment, apply to the local social insurance agency for social insurance registration with its business license, registration certificate or unit seal. The social insurance agency shall, within fifteen days from the date of receiving the application, examine and issue the social insurance registration certificate.

Article 58

The employing unit shall, within 30 days from the date of employment, apply to the social insurance agency for social insurance registration for its employees. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay.

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 employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration.

The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.