老龄化最严重的国家
The country with the most severe aging problem
以上为机器翻译结果，长、整句建议使用 人工翻译 。
欧洲是老龄化最严重的大陆，世界上25个老龄化最严重的国家中有23个就在欧洲。
Europe is the greyest continent, with 23 of the world's 25 oldest countries.
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尽管日本老龄化情况最严重，但是世界上其他国家同样面临着这样的问题。
Although Japanese society is growing older faster than anywhere else in the world, plenty of others are shuffling along behind it.
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