Is social security a basic salary or a performance?

Legal analysis: the social security payment base of the employer is determined by the total wages of the employees of the unit, and the employee payment base is determined by the employees' own wages. When calculating the salary when paying social security, it should include basic salary, overtime salary, various subsidies, performance salary and so on.

Legal basis: Article 2 of the Social Insurance Law of People's Republic of China (PRC) The state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance, maternity insurance, etc., to protect citizens' right to get material help from the state and society according to law in case of old age, illness, industrial injury, unemployment and maternity.