Should Shanghai's social security payment base be wages?

Legal analysis: the social security payment base is six payment base files approved by the local social security bureau in July each year according to the average income level of employees in the previous year, and then the unit relies on the file according to the average income level of employees in the previous year. General units should declare a minimum of 60%. Social security contribution ratio: pension insurance unit 20%, individual 8%, medical insurance unit 6%, unemployment insurance unit 2%, individual 1%, work injury insurance and maternity insurance shall be fully borne by the unit.

Legal basis: Article 4 of People's Republic of China (PRC) Social Insurance Law. 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 records, and require 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.