Social security contribution base is calculated according to what standard

Standard; if the salary income of the employee is higher than 300% of the average salary of the local employees in the previous year, 300% of the average salary of the local employees in the previous year will be the contribution base; if the salary income of the employee is lower than 60% of the average salary of the local employees in the previous year, 60% of the average salary of the local employees in the previous year will be the contribution base; if the salary of the employee is between 300% and 60%, the base will be declared in accordance with the actual situation. Every year, social security will approve the base at a fixed time, and declare the new base according to the average monthly salary of employees in the previous year. Legal basis; Article 12 of the Social Insurance Law of the People's Republic of China*** and the State of China, the employer shall pay the basic pension insurance premiums in accordance with the proportion of the total wages of the employees of the unit as stipulated by the State, and credited to the basic pension insurance integrated fund. Employees shall pay basic pension insurance premiums in proportion to their own wages as prescribed by the State, which shall be credited to their individual accounts. Individual industrial and commercial households without employees, part-time workers who have not participated in basic pension insurance with their employers, and other flexibly employed persons who participate in basic pension insurance shall pay basic pension insurance premiums in accordance with the state regulations, which shall be credited to the basic pension insurance general fund and individual accounts respectively. Article 23 Employees shall participate in the basic medical insurance for employees, and the employer and employees shall pay the basic medical insurance premiums in accordance with the state regulations***. Individual industrial and commercial households without employees, part-time workers who do not participate in the basic medical insurance for employees in their employing units, and other flexibly employed persons may participate in the basic medical insurance for employees, and individuals shall pay the basic medical insurance premiums in accordance with the state regulations. Article 34 The degree of risk of work-related injuries in different industries in the country determines the differential rates for the industry, and uses the work-related injury insurance fund, the incidence of work-related injuries and other circumstances to determine the rate brackets within each industry. Industry differential rates and rates within the industry grade by the State Council social insurance administrative department to develop, reported to the State Council for approval after the announcement of the implementation of the social insurance agency with the use of the employer's workers' compensation insurance fund, the incidence of work-related injuries and the rate of the industry to which it belongs to the rate of grade and other circumstances, to determine the rate of the employer's contribution.