日本早在1970年代就进入了老龄化社会,加上出生率的降低,近年来高龄人口所占比例不断增加。据日本厚生劳动省估计,2030年的日本总人口中,高龄人口将占到1/3。人口的老龄化直接冲击着社会保障体系,特别是养老保险与医疗保险费用支出的增大将成为不可避免的问题。在经过了十几年的争议和讨论 As early as the 1970s, Japan entered an aging society. Coupled with the declining birth rate, the proportion of the elderly population has been steadily increasing in recent years. According to the Japanese Ministry of Health, Labor and Welfare estimates that in 2030 the total population of Japan, the elderly population will account for 1/3. The aging of the population directly impacts the social security system. In particular, the increase in expenditure on endowment insurance and medical insurance will become an unavoidable problem. After more than a decade of controversy and discussion