Is social security paid according to the basic salary or the total salary?

Legal analysis: social security is not calculated according to the basic salary or actual salary, but according to the average monthly salary of the previous year.

Legal basis: Article 12 of the Social Insurance Law of People's Republic of China (PRC), the employer 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.