How to calculate the social security base?

The calculation method of supplementary social security base is as follows:

1. Repayment as an employee: Employers and individuals can repay the basic old-age insurance premium (including principal and interest) according to the historical payment base and payment ratio declared and approved by the social insurance agency in the insured area. If it is impossible to determine the wage income over the years, 60% of the average wage of employees on the job over the years in the city where they are located (referring to the city divided into districts, including enterprises directly under it, the same below) shall be the base of payment;

2. Repayment in an individual capacity: based on 60% of the average salary of employees in the city where the payment is made, the basic old-age insurance premiums over the years are paid at a rate of 20%. The surcharge shall be borne by the individual and paid in one lump sum.

The activation method of social security card is as follows:

1. Users can ask the on-site staff to help activate their social security cards for the first time.

2. On-the-job employees can call the social security service hotline to help activate the social security card through manual customer service;

3. If the user is busy, you can also entrust others to handle it. The trustee should hold the social security card, power of attorney and personal identity documents to the social security agency for activation;

4. Use it for the first time in a designated medical insurance hospital or pharmacy for activation.

Legal basis:

Article 10 of People's Republic of China (PRC) Social Insurance Law

Employees shall participate in the basic old-age insurance, and the employer and employees shall jointly pay the basic old-age insurance premium.

Individual industrial and commercial households without employees, part-time employees who have not participated in the basic old-age insurance in the employer and other flexible employees can participate in the basic old-age insurance, and individuals pay the basic old-age insurance premium.

The measures for the endowment insurance of civil servants and staff managed by reference to the Civil Service Law shall be formulated by the State Council.

Article 11

The basic old-age insurance combines social pooling with individual accounts.

The basic old-age insurance fund consists of employers, individual contributions and government subsidies.

Article 12

The employing unit shall pay the basic old-age insurance premium according to the proportion of the total wages of its employees stipulated by the state, and record it in the basic old-age insurance pooling fund.

Employees shall pay the basic old-age insurance premium in accordance with the proportion of wages stipulated by the state and record it in their personal accounts.

Individual industrial and commercial households without employees, part-time employees who have not participated in the basic old-age insurance in the employing unit and other flexible employees who have participated in the basic old-age insurance shall pay the basic old-age insurance premiums in accordance with state regulations and record them in the basic old-age insurance pooling fund and individual accounts respectively.