What are the five types of insurance in social security that people often refer to? What is the percentage of contribution?

The five insurance of social security refers to the pension insurance, medical insurance, unemployment insurance, work injury insurance and maternity insurance; the proportion of contributions to the pension insurance to account for 21%, medical insurance accounted for 9%, unemployment insurance accounted for 2%, maternity insurance accounted for 1%, and the work injury insurance accounted for 0.5%, from the proportion of the view of the proportion, the proportion of the pension insurance is the largest, followed by the medical insurance contributions.