How is the annual adjustment of social security base stipulated?

Legal analysis: endowment insurance: the unit pays 2 1% for you every month, and you pay 8% yourself; Medical insurance: the unit pays 9% for you every month, and you pay 2% plus 10 yuan major illness co-ordination (major illness co-ordination mainly covers hospitalization); Unemployment insurance: the company pays you 2% every month, and you pay it yourself 1%.

Legal basis: Article 64 of People's Republic of China (PRC) Social Insurance Law includes basic endowment insurance fund, basic medical insurance fund, industrial injury insurance fund, unemployment insurance fund and maternity insurance fund. All social insurance funds shall be accounted for according to the types of social insurance, and a unified national accounting system shall be implemented. The social insurance fund is earmarked for special purposes, and no organization or individual may occupy or misappropriate it. The basic old-age insurance fund will gradually implement national overall planning, and other social insurance funds will gradually implement provincial overall planning. The specific time and steps shall be stipulated by the State Council.