Does Reduction of Contribution Rate Affect the Sustainability of China’s Basic Endowment Insurance Fund?—Based on the Background of National Pooling and Collection Responsibility Transformation

Sustainability is an urgent issue in the basic endowment insurance system China. The advancement of national pooling and transfer collection responsibility from social security department to taxation are policy measures taken ensure sustainable development system. In this circumstance, paper discusses solvency account fund when enterprise contribution rate drops 16% by constructing improved theoretical actuarial model. conclusion shows that under mode peeling off historical debt personal account, even if 16%, China will still have strong long run. addition, due insurance, proportion actual number payers in-service insured gradually increase 100%, calculation results show bankruptcy scope China’s pension funds be postponed year 2113. This study enriches relevant literature solves a concern reform system: Does reduction affect sustainability system?