Legal analysis: social pooling refers to the large-scale unified collection, management and use of social insurance funds by social insurance agencies within the territorial scope. This system adopts the traditional basic endowment insurance fund raising model. The goal of social overall planning is to ensure the reproduction of material and labor and social stability. Social overall planning is shared by the state, units and individuals. The basic old-age insurance fund implements social mutual aid, and the basic pension is calculated by structural calculation method, emphasizing the incentive factors and labor contribution differences of individual account pension.

Legal basis: Article 5 of the Social Insurance Law of People's Republic of China (PRC) People's governments at or above the county level shall incorporate social insurance into the national economic and social development plan.

The state raises social insurance funds through multiple channels. People's governments at or above the county level shall give necessary financial support to social insurance.

The state supports social insurance through preferential tax policies.