确保个人账户具有充足的支付能力,是我国养老保险制度具有可持续性的根本前提。本文通过构建我国个人账户的精算模型,改进了支付能力的计算方法。研究结果表明,现有方法将导致个人账户出现支付能力不足;使用国务院有关决定中的养老金计发办法,个人账户将出现严重的支付能力不足,在长期内不具有财务可持续性;若通过调整退休年龄等因素来提高支付能力,应全面分析它产生的影响,否则将适得其反。 Ensuring that individual accounts have sufficient capacity to pay is the fundamental premise for the sustainability of China’s pension insurance system. This paper improves the calculation method of payment ability by constructing the actuarial model of personal account in our country. The results show that the existing methods will lead to the lack of ability to pay in individual accounts. With the pension plan in the State Council’s decision, the individual accounts will have insufficient ability to pay and will not be financially sustainable in the long run. If passed Adjusting the retirement age and other factors to improve the ability to pay, it should be a comprehensive analysis of the impact it would otherwise be counterproductive.