Market researchers often segment the population on the basis of age and social class.
市场研究人员常常按年龄和社会阶层划分人口。
That outpaces a 30% increase in the general population for that age group.
这比老年人口在总人口中的增长比率还快30%。
On World Bank data, around 40% of the population currently is under age 16.
从世界银行的数据来看，如今40%的人口年龄在16岁以下。
China's population will begin to age from 2015.
从2015年起，中国人口将开始趋向老龄化。
Insurance companies consider this age group a much safer population.
保险公司认为这个年龄段的投保者更为安全。
Simply introduce the concepts of the population age structure.
简单介绍有关人口年龄结构的相关概念。
And by age 65, one-third of the population has a hearing loss.
到65岁，三分之一的人口会有听力损失。
For example,? The age of the Chinese population.
例如，中国人口的年龄。
Of course, the division of population age structure is comparative, but not invariable.
当然，对人口年龄结构的划分是相对的，而不是一成不变的。
It is therefore essential to know the age distribution in the population.
所以，了解在该种群中的年龄组配状况是很重要的。
This part of the population is growing fast as baby boomers age.
这部分人口正如婴儿潮时代一样快速增长。
Also speculate about the current age structure of the elephant population.
并且推测这个大象群落的当前年龄结构。
School-age children represent 26% of Africa's population where 94% of children go to school.
在非洲，学龄儿童占到人口的26%，儿童入学率为94%。
Approximately one in 10,000 people in the general population lives to the age of 100.
一般大约每一万人中有一个人寿命能达到100岁。
Age Structure Change of World Population.
全球人口年龄结构变迁。
Age Structure Change of World Population.
全球人口年龄结构变迁。
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