Legal analysis: the contribution ratio of social security provident fund companies is 43.5%, and that of individuals is 23%. They are endowment insurance, and units and individuals pay 20% and 8% of personal wages respectively; Medical insurance units and individuals pay about 10% and 2% respectively; Unemployment insurance units and individuals pay about 2% and1%respectively; Maternity insurance units pay about 0.8%, and individuals do not pay; Work injury insurance units pay about 2%, and individuals do not pay.

Legal basis: Article 2 of the Social Insurance Law.

The state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance and maternity insurance, so as to guarantee citizens' right to receive material assistance from the state and society in accordance with the law when they are old, sick, injured, unemployed and have children.