The chipmunk population increased strikingly due to two successive years of abundant acorn crops in the forest.

金花鼠数量显著地增加，是因为森林里连续两年丰硕的橡子收成。

youdao

The population increased in number threefold.

种群的数量增加了三倍。

youdao

From 1997 through 2007, the population increased almost 40 percent, to 1.5 million.

1997—2007年间，人口增长率高达40%，人口接近150万。

youdao

The number of Washingtonians grew about three percent during that period while the United States population increased more than seven percent.

VOA: special.2009.03.20

So, I already said what the number of square miles that were increased, but it increases from six to sixteen million of the population.

我已经提过了领土扩大的面积有多少,而人口从六百万增加到一千六百万

耶鲁公开课 - 欧洲文明课程节选

And the waste produced by the islands' growing human population places an increased threat on the wildlife.

VOA: special.2009.12.16

In the US alone, between 1970 and 2007, the US population increased by approximately one-third.

BBC: Earth News - Noise pollution threatens animals

Between 1992 and 2011, the U.S. prison population increased by nearly 73 percent.

FORBES: 'The Conservative Case Against More Prisons'

And in Maine, the student population increased almost 11 percent yet non-teaching staff rose 76 percent.

FORBES: Schools Are Already Bloated, So Why Does Obama Want More Personnel?