Japan's shrinking population is at the root of both phenomena.

日本人口下降是两种现象的根源。

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An ageing, shrinking population poses problems in other, surprising ways.

人口年龄老化，人口下降还会在其他意想不到的方面产生问题。

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But its market share is reaching saturation point, especially given Japan's shrinking population.

但是其市场份额已接近饱和，特别是日本正在下降的人口。

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But City Councilor Mara Rumiz says authorities are aware they cannot ignore the problem of the shrinking population any longer.

VOA: standard.2009.11.14

Some people can fight the brain off in this case, and control their food intake, maintain a healthy diet, and maintain a normal weight, but the number of such people in the population is shrinking by the day.

有些人可以抵制大脑的控制,控制食物的摄入量,维持健康饮食 保持正常体重,而今,这类人的数量日益减少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Meanwhile, a policy of aggressively pursuing immigration to address the shrinking population has created resentment among locals.

BBC: Singapore uses rap to try to boost birth rate

Japan must come to grips with its rapidly ageing and soon-to-be shrinking population.

ECONOMIST: Immigration in Japan

The Cleveland Clinic health system is located in a shrinking population center.

FORBES: What Business Can Learn From Cleveland Clinic: How To Report Quality To The Public