The low fertility rate in many of that continent's more developed countries means their populations are ageing and shrinking.

欧洲大陆的许多发达国家出现了过低的生育率，而这意味着这些国家的人口正在面临老龄化与减少。

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Its wealth and a famously healthy diet keep its people going to a ripe old age, while a low fertility rate means fewer young people to redress the balance.

正是由于该国的财富和除了出了名的健康饮食让其国民们都能长寿。一个较低的出生率意味着将会有更少的年轻人来保持平衡。

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Japan's fertility rate — the average number of children a woman bears in her lifetime — fell to an all-time low of 1.25 last year.

去年，日本的生育率(一个妇女一生中所生孩子的平均数量)下降至历史最低点，只有1.25。

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Western European countries have low fertility rates, below the replacement rate of 2.1.

FORBES: Warning Bell for Developed Countries: Declining Birth Rates