How to calculate the average monthly salary of social security last year

Calculation based on payment. According to the Social Insurance Law of People's Republic of China (PRC), the social security payment base is 60% to 300% of the average social wage, which is higher than 300% of the average local wage last year, and 300% of the average social wage, which is lower than 60% of the average local wage last year. Between 300% and 60%, truthfully declare. Social insurance is a social and economic system that provides income or compensation for those who lose their ability to work, are temporarily unemployed or suffer losses due to health reasons.