The world's fertility rate will hit 1.7.

世界生育率将达到1.7。

He says fertility rates are getting lower and lower.

他表示，生育率正变得越来越低。

The country has the lowest fertility rate in the world.

这个国家的生育率是世界上最低的。

And, South Korea has one of the world's lowest fertility rates.

韩国是世界上生育率最低的国家之一。

The fertility rate there has barely moved.

但该国的生育率几乎没有发生变化。

America's Census Bureau simply assumes that current fertility rates will persist.

美国人口普查局作出简单假设，目前的生育率将持续一段时间。

The high cost of raising a child has become an important factor affecting fertility rates.

育儿成本高已经成为影响生育率的一个重要因素。

In Seoul, the largest city and capital, the fertility rate is only 0.55.

在韩国最大的城市首都首尔，生育率只有0.55。

India's fertility rate fell below replacement level.

印度的生育率降至更替水平以下。

The fertility rate is the average number of children a woman has over her lifetime.

生育率是妇女一生中平均生育子女的数量。