Britain is an ageing society.

英国是一个老化的社会。

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We're an anti-ageing society.

我们处于一个抗老化的社会里。

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But for most countries, the population questions that matter most are either: do we have enough people to support an ageing society?

但对大多数国家来说，最关紧要的人口问题无非为两种：国家是否有足够的人口来支撑老化的社会？

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In an ageing society where many pensioners are refreshingly sprightly, the ruling party looks utterly clapped-out.

ECONOMIST: Japan's election

Another factor which politicians will have to keep in mind is the ageing society.

BBC: NEWS | Europe | Jersey | Population sees increase of 400

As Japan's student population shrinks in an ageing society, universities are delighted to find ways to attract older, richer students.

ECONOMIST: Japan's best engineers are having to learn about business