当有利的人口统计学趋势恶化，或城市化进程结束时，都可能出现这种局面。

This could happen either when the favourable demographic trend worsens or urbanisation ends.

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弗格森说，“用人口统计学的术语来讲就是，西方社会长期代表着全世界的小众人口，但是当今社会，这种小众化趋势明显逐渐减小。

“In demographic terms, ” Mr. Ferguson says, “the population of Western societies has long represented a minority of the world’s inhabitants, but today it is clearly a dwindling one.

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人口统计学的趋势提出女性将要入职的数量平稳的增长着。

Demographic trends suggest that the number of women going into employment is steadily increasing.

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