Is social security based on basic salary or actual salary?

Legal analysis: Generally speaking, the total wages of enterprise employees, that is, all wages, are calculated as the payment base.

Legal basis: Article 10 of the Social Insurance Law of People's Republic of China (PRC), 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.