Classification of social security?

Social security refers to social insurance. Nowadays, there are five types of insurance: pension, medical care, unemployment, work injury and maternity insurance, of which the first three are required to be paid by individuals, and the unit is responsible for the five contributions. Individual contribution rate of 8%, 2%, 0.5%; unit contribution rate of 20%, 10%, 1.5%, 1%, 0.8%. The cell phone word limit is not much to say.