一片片土地荒芜，人口减少。

Whole stretches of land were laid waste and depopulated.

《牛津词典》

巴西的绝对赤贫人口减少了一半。

The number of very poor in Brazil has been slashed in half.

youdao

其一是大家熟知的低出生率和人口减少的地区。

One is the familiar place of low fertility and population decline.

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疾病使人口减少了。

Disease had thinned out the population.

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疾病使人口减少了。

Disease had thinned out the population.

youdao