The worldwide total fertility rate is likely to steadily drop, from 2.37 in 2017 to 1.66 in 2100.

全球总生育率可能会稳步下降，从 2017 年的 2.37 降至 2100 年的 1.66。

Total fertility rates let us compare birth patterns across generations.

总生育率让我们可以比较几代人的出生模式。

Well, the answer lies in the statistic known as total fertility rate.

好吧，答案在于被称为总生育率的统计数据。

Now, if we split up the population up by race, we see big differences in the total fertility rate.

现在，如果我们按种族划分人口，我们会发现总生育率存在很大差异。

Affected by social factors such as delays in the age of first marriage, the total fertility rate of women of childbearing age continued to decline in 2021.

受初婚年龄推迟等社会因素影响，2021 年育龄妇女总生育率继续下降。

It’s highest for Hispanic Americans, at 71.5 births per 1000 women, and lowest for non-Hispanic White Americans, with a total fertility rate of 59.3.

西班牙裔美国人的生育率最高，每 1000 名妇女生育 71.5 人，非西班牙裔美国白人的生育率最低，总生育率为 59.3。

In the decade to 2008, the total fertility rate (the number of children a woman can expect to have in her lifetime based on present patterns) rose in much of the rich world.

到2008年为止的十年间，大部分发达国家的生育率均上升了（生育率是指在既有模式下，一位女性希望在其一生中生育的孩子的数量）。

Despite decades of government pro-baby propaganda, the " total fertility rate" in Singapore (the number of children, on average, a woman will have) had fallen to 1.2 in 2011, among the lowest in the world.

尽管政府进行了几十年的鼓励多生宣传，新加坡的“整体生育率”（即平均每个女性一生会生育的孩子数目）在2011年已降至1.2，跻身于世界生育率最低的国家行列。

Because of this, we might use what’s called a total fertility rate: the number of live births for every 1000 women between the ages of 15 and 44.

因此，我们可能会使用所谓的总生育率：15 至 44 岁之间每 1000 名妇女的活产数。

For the United States, total fertility rates were at a peak of 3.7 births per woman in the late 1950s, but are now at only 1.8 births per woman.

就美国而言，总和生育率在 1950 年代后期达到每名妇女生育 3.7 胎的高峰，但现在仅为每名妇女生育 1.8 胎。

The total fertility rate, which is a projected estimate of the number of children an average woman of childbearing age will have over her lifetime, has been declining for most countries for a while now.

一段时间以来，大多数国家的总生育率一直在下降，这是对平均育龄妇女一生中将生育的孩子数量的预测估计。

But even If we look at the total fertility rate, that has also gone down, from 68.4 births per 1000 women of childbearing age in 1980, to 62.5 births per 1000 women of childbearing age in 2015.

但即使我们看一下总和生育率， 它也有所下降，从 1980 年的每 1000 名育龄妇女生育 68.4 人， 到 2015 年的每 1000 名育龄妇女生育 62.5 人。