1, pay-as-you-go system. This is a kind of financing method with horizontal balance as the guiding principle, which is implemented according to the prescribed income model, and social security institutions carry out social financing according to the insured amount;

2. A complete accumulation system. This social security fund raising model is based on the principle of long-term vertical balance. Its essence is the intra-generational redistribution system in individual life. Generally speaking, workers need to pay insurance premiums regularly by both employers and employees or only one of them according to a certain proportion of the total wages, and record them as long-term accumulated funds in personal accounts, and the ownership belongs to individuals. Eligible, one-time or monthly.

3. Partial accumulation system. This is a combination of pay-as-you-go system and complete accumulation system, and it is a financing model that is compatible with the principles of horizontal balance and long-term vertical balance. Part of the guarantee fee is paid as you go to meet the current demand, and the other part is accumulated to meet the growth of future payment demand. This financing mode is the synthesis and innovation of the original two modes.

Legal basis:

Article 2 of People's Republic of China (PRC) 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 get material help from the state and society in accordance with the law when they are old, sick, injured, unemployed and have children.