Japan, meanwhile, is aging faster than any other country in the world.
与其同时，日本老年化比世界其他任何一个国家都要快。
Our country has entirely stepped to the rank of aging countries.
我国已步入老龄化国家的行列。
Now China has become a country of aging population.
我国目前已经成为老年型国家。
The increase of the aging population has posed a serious challenge to our country.
老年人口增长给我们的提出了严重的挑战。
The increase of the aging population has posed a serious challenge to our country.
老年人口增长给我们的提出了严重的挑战。
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