How does social security calculate how much individuals and companies pay?

Legal analysis: the amount of social security contributions is calculated according to the base. The payment base is calculated according to the total wages, regardless of the internal structure of wages. The upper and lower limits are 60% and 3 times of the average social wage of last year respectively. Pension payment ratio: 1, basic old-age insurance for employees: the unit pays 20% per month and the individual pays 8%; 2. Basic medical insurance for employees: the unit pays 9% per month and the individual pays 2%; 3. Unemployment insurance: the unit pays 1.5%, and the individual pays 0.5% every month; 4. Work-related injury insurance: the unit pays 1% every month, and the individual does not need to pay; 5. Maternity insurance: the unit pays 1% every month, and the individual does not need to pay.

Legal basis: Article 4 of the Social Insurance Law of People's Republic of China (PRC) * * * Employers and individuals in People's Republic of China (PRC) pay social insurance premiums according to law, and have the right to inquire about payment records and personal rights and interests records, and ask social insurance agencies to provide social insurance consultation and other related services. Individuals enjoy social insurance benefits according to law and have the right to supervise the payment of their own units.