A declining population can put a country under immense strain.

人口减少会让一个国家承受重压。

As China's farming population declines, agricultural modernization is needed to enhance productivity.

随着中国农业人口减少, 农业现代化就需要提高生产力。

And in the very long term it means a smaller country.

从长远来讲，这会导致国家人口减少。

Shrinking populations will suppress economic growth and foster unrest.

人口减少将抑制增长并造成动荡。

One reason for the population loss is Japan's high cost of living.

日本人口减少原因之一是高昂生活成本。

Immigration is the reason why the U.S. will not suffer a population loss in 2024.

移民是美国2024年不会遭受人口减少原因。

Tijani said the region “reduced the ranks of the hungry by almost 11 million.”

蒂贾尼说该“将饥饿人口减少了近1100万”。

It found that immigration reversed what would have been major population decreases in 18 cities.

调查发现，移民扭转了18个城市主要人口减少趋势。

Europe will be the only region to shrink, with the biggest falls in former Soviet countries.

欧洲是唯一人口缩减，其中前苏联国家人口减少最多。

In St. Louis and other places, immigrants are helping halt population decreases in urban areas.

圣路易斯和其他方，移民正有助于阻止城市人口减少。

A shrinking world is in our future, but obviously some places are much closer than others.

人口减少世界是我们都要面对未来，但是显然有些国家要更紧迫。

Its working-age population is rising by about 12m people a year, even as China's shrank last year by 3m.

去年中国适龄工作人口减少了300万，而印度却每年稳增1200万。

The disease reduced Europe's population by around a third and caused major changes in the medieval social structure.

这种疾病使欧洲人口减少了约三分之一，并导致中世纪社会结构发生重大变化。

Other exacerbating factors included the introduction of alcohol which the natives of course had no prior experience with.

其他加剧人口减少因素还包括酒精引入，当然，夏威夷原住民以前从未接触过酒精。

Shrinking populations could be even worse for growth, which economists believe requires the constant generation of new ideas.

人口减少可能对增长更不利，家认为，增长需要不断产生新创意。

By the end of the 16th century, the once great city of Tenochtitlan's population had declined by over 90%.

到 16 世纪末，曾伟大城市特诺奇蒂特兰人口减少了 90% 以上。

But economists say the drop is also due to a decline in its population and slowing productivity and competitiveness.

但家表示，日本排名下降也是由于人口减少、生产率和竞争力放缓所致。

Since climate change is caused by human activities, it seems common sense that fewer people would mean lower carbon emissions.

由于气候变化是由人类活动引起，似乎人口减少意味着碳排放减少。

A smaller population would reduce carbon emissions as well as deforestation for farmland.

人口减少将减少碳排放以及农田森林砍伐。

11.After 1740, there was a reduction in population in Britain.

11.1740年后，英国人口减少。