The calculation formula of social security contribution base is 202 1 year.

202 1 year social security contribution base is calculated as follows: unit contribution = unit social security contribution ratio * unit social security contribution base = individual social security contribution ratio * individual social security contribution base.

The proportion of social security units and individuals is as follows:

1, endowment insurance: 20% paid by the unit and 8% paid by the individual;

2. Medical insurance: the unit pays 8% and the individual pays 2%;

3. Unemployment insurance: unit 2%, individual1%;

4. Work injury insurance: the unit pays 0.5%, and the individual does not pay;

5. Maternity insurance: the unit pays 0.8%.

Social insurance refers to a social and economic system that provides income or compensation for people who lose their ability to work, are temporarily unemployed or suffer losses due to health reasons. The main items of social insurance include endowment insurance, medical insurance, unemployment insurance, industrial injury insurance and maternity insurance.

The social insurance plan is organized by the government, forcing a certain group to use part of its income as social insurance tax (fee) to form a social insurance fund. Under certain conditions, the insured can get fixed income or loss compensation from the fund. It is a redistribution system, and its goal is to ensure the reproduction of material and labor and social stability.

In China, social insurance is an important part of the social security system, occupying a core position in the whole social security system. In addition, social insurance is a contributory social security. The funds are mainly paid by employers and workers themselves, and the government finances give subsidies and bear the ultimate responsibility. However, workers can only enjoy the corresponding social insurance benefits if they fulfill their statutory payment obligations and meet the statutory conditions.

People's Republic of China (PRC) Social Insurance Law Article 4 Employers and individuals in People's Republic of China (PRC) pay social insurance premiums according to law, and have the right to inquire about payment records and personal rights and interests records, and require social insurance agencies to provide social insurance consultation and other related services. Individuals enjoy social insurance benefits according to law and have the right to supervise the payment of their own units.