如今非裔美国人占美国人口的12%。
可以在地图上加一层显示人口的透明膜。
An overlay showing population can be placed on top of the map.
穆斯林占人口的55%。
基督教徒大约占这个国家人口的2.5%。
这个取决于他们人口的稠密度。
残疾人占人口的很大一部分。
People with disabilities comprise a large part of the population.
人口的快速增长会以各种方式影响社会。
Rapid population growth affects the society in various ways.
无法更新迭代其人口的社会阻碍了投资和创新。
Societies that cannot replace their populations discourage investment and innovation.
随着该州人口的持续增长，这个问题也越来越严重。
The problem is growing as the population of the state continues to expand.
到2050年养活全世界人口的任务看似很容易完成。
The task of feeding the world's population in 2050 seems easily possible.
到2075年，联合国对全球人口的预测中值是95亿。
By 2075, the United Nations' mid-range projection for global population is about 9.5 billion.
人们曾经认为，随着人们不再被迫进入城市，电信的发展将导致人口的进一步分散。
It was once assumed that improvements in telecommunications would lead to more dispersal in the population as people were no longer forced into cities.
根据最近发表的一项关于人口的研究，如果老年人要对社会作出贡献而不是成为经济负担，就必须给他们更多学习机会。
Older people must be given more chances to learn if they are to contribute to society rather than be a financial burden, according to a new study on population published recently.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
中国的少数民族构成总人口的不到7%。
China's ethnic minorities constitute less than 7 percent of its total population.
超过退休年龄的人口的比例在过去几年中已急剧增长。
The proportion of the population who are over retirement age has grown tremendously in the past few years.
这位女国会议员援引统计数据说，赤贫人口的生活水平已经下降。
The Congresswoman quoted statistics saying that the standard of living of the poorest people had fallen.
这几乎是世界人口的五分之一。
他们把机器卖给那些有很多贫困人口的国家的政府。
They sell the machines to governments of countries that have many people live in poverty.
这几乎占世界人口的40%。
那大约是世界人口的一半！
大量人口的恢复中最深层的原因是森林的命运。
The most profound reason for the restoration of high population numbers has been the fate of the forests.
由于人口的快速增长，我们的地球污染越来越严重。
Our earth is becoming more and more polluted because of the rapid increase in population.
后来，由于这些人口的大量增加，改变变得非常困难。
Later on, it became very difficult to change because of the significant expansion of these populations.
在不同的五年里，绝大多数村庄报告了人口的显著下降。
In five different years, villages overwhelmingly reported significant population declines.
适龄劳动人口的就业比例还是低于经济衰退低谷时的比例。
The proportion of working-age people with jobs is lower than in the trough of the recession.
随着世界人口的持续增长，粮食的供应问题越来越令人担忧。
As world's population continues to grow, the supply of food becomes more and more of a concern.
我们的祖先没有想到人口的增长速度会超过原材料的供应速度。
Our forefathers had no idea that human population would increase faster than the supplies of raw materials.
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