它的观点是说，人口非常快速地老龄化，没有足够多的年轻人口来替代和负担老年人。
The point is that the population is aging at an extremely fast rate and that there is not a population of young people to replace and support the older generation.
老年人的问题正在引起更为广泛的关注，主要是因为随着老年人口比率的增加，美国人口正在逐步趋于老龄化。
The problems of the elderly are attracting greater attention largely because the American population is growing steadily older as the proportion of its aged members increases.
一般认为，60岁以上的老年人口达到总人口的10%或以上，就算老龄化社会了。目前我国60岁及以上老年人口已经占总人口的11%以上。
If the people of 60 or above account for 10% of the population, it is considered an aging society. The people of 60 or above account for more than 11% of our population.
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