Why different companies social security contributions to the same base, personal deductions are not the same

Enterprise social security and personal social security base is the same, the payment of money is not the same reason: the enterprise due to the unit to pay twenty percent, so it is according to the base of 100 percent of the payment, personal due to the full amount of their own burden, so as long as to pay the base of sixty percent.

Social insurance is a social and economic system that provides income or compensation for people who are incapacitated, temporarily out of work, or have suffered losses due to health reasons. The main items of social insurance include pension insurance, medical insurance, unemployment insurance, industrial injury insurance and maternity insurance.