1, social security co-ordination refers to the remaining part of the insurance premium paid by the employer for employees after deducting personal accounts. The social security pooling fund belongs to all the insured persons, and is centrally managed and used by social insurance institutions. Social pooling insurance funds shall be stored in special accounts and earmarked for special purposes, and no unit or individual may misappropriate them.

2. The overall fund is based on a certain proportion. For example, in most areas, individuals pay 8% and units pay 20%. These funds are merged into a unified fund to pay pensions. In some areas, funds are insufficient, and local finance will supplement some to join the overall fund. The total amount of pooling funds and individual accounts is not equal. The overall fund is used to pay retirees, and the total amount of personal accounts is on-the-job personnel.

3 sources of social security pooling funds include financial allocations, social security fees (taxes) paid by employers and individuals into the "pooling account" and social donations.

4. Taking the social insurance fund as an example, the "social pooling account" part of China's basic old-age insurance fund and basic medical insurance fund, as well as unemployment insurance fund, work injury insurance fund, maternity insurance fund, social assistance fund, social welfare fund and social special care fund all belong to social pooling funds. The social security co-ordination fund belongs to all the insured persons, and is managed and used uniformly by the social security agency within the prescribed co-ordination level.