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一、引言随着新生儿出生率的下降和老年人口寿命的延长,全球老龄化问题已成为世界各国共同面临的紧迫的时代课题。根据联合国标准,老龄化社会(Aging society)是指一个国家65周岁以上老年人口占人口总数7%以上的社会;而该比例达到14%以上,则
I. INTRODUCTION With the birth rate declining and the life expectancy of the elderly population increasing, the issue of global aging has become an urgent topic for all countries in the world. According to the UN standards, the aging society (Aging society) refers to a country over 65 years of age and older population accounts for more than 7% of the total population of society; and the proportion of more than 14%, then