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人口老龄化是人口年龄结构中,老年人口比重增加,人口年龄中位数提高的过程。老龄问题包括两个方面,一是老年人本身的物质和精神的需要;二是人口年龄结构老化对社会发展的影响。这两个问题既有区别又
Population aging is a process in which the population age structure increases the proportion of the elderly and increases the median age of the population. The issue of aging includes two aspects. One is the material and spiritual needs of the elderly themselves. The other is the impact of the aging population age structure on social development. There are differences between these two issues