the old population 老年人口
rural old population 农村老年人口
chinese old population 中国老年人口
Old Population Coefficient 老年人口系数
living quality of old population 老年人口生活质量
Old age population index 老年人口指数
old-aged population 老年人口
rural old-age population 农村老年人口
The increase of old population results in the rising sum of pension, and brings too many problems to be dealt with to the fundamental endowment insurance system based only on financial output.
老年人口的不断增加，使得退休金总额也在不断地上升，各国传统的基本养老保险制度使财政的支付压力越来越大。
参考来源 - 我国企业年金筹资、投资模式选择及其会计问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Here, too, places benefit from having a fairly old population.
同样，人口较年老地区受益匪浅。
Along with the population aging, how to care the old population has become a crucial topic.
随着老龄社会的提前到来，加强我国老年护理工作成为一个重要课题。
Now, China is not only the most population country in the world, but also the most old population country.
当今的中国，不但是世界上人口最多的国家，也是世界上老年人口最多的国家。
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