一项最新民调发现，在经济和人口结构发生巨变的背景下，美国的年轻一代正在绘制一幅21世纪通向成功的地图。
Against a backdrop of drastic changes in economy and population structure, younger Americans are drawing a new 21st-century road map to success, a latest poll has found.
然而，其他各国的人口结构更糟。
这是人口结构变化的一个结果。
人口结构的问题已经出现一段时间了。
首先，人口结构正发生变化。
生育率下降在人口结构变化中兴起了层层波澜。
The fertility fall is releasing wave upon wave of demographic change.
人口结构的变化有助于创造一个良性的增长循环。
These demographic changes help to create a virtuous circle of growth.
上世纪80年代拉丁美洲和东亚有类似的人口结构。
In the 1980s Latin America and East Asia had similar demographic patterns.
对增长持乐观态度的人们认为印度的优势在于其人口结构。
The growth optimists point to India's favourable demography.
该问题在欧洲尤为显著，他们已然需要面对人口结构的压力。
That would be a particular problem for Europe, which is also facing significant demographic pressures.
获取由抚养率降低和人口增长减慢带来的“人口结构效益”。
Reaping the "demographic dividends" seen in declining dependency rates and slowing population growth.
他们有一个较为年轻的人口结构，所以他们不会为遗产政策所困。
They have a younger demographic composition so they're not burdened by legacy policy.
他们有着年轻的人口结构、增长着的没有债务的中产阶级和消费者。
They have younger demographics, an emerging middle class and consumers who are not saddled with debt.
非洲人民大量涌入城市，不仅改变了人口分布，也改变了人口结构。
Africa's rush to the cities is not just changing the location of Africa's populations, it is changing their structure, too.
而匮乏的主要诱因是水及食物短缺、人口结构变化和国家政策的失败。
The main problems of scarcity are water and food shortages, demographic change and state failure.
这些可怕的热浪造成干旱尘暴，使上百万的美国人迁移并改变了美国的人口结构。
Those were indeed dire heat waves, contributing to the Dust Bowl, which dislocated millions of Americans and changed the population structure of the United States.
首先，生育率的降低使得人口结构发生变化，劳动力比例相对老人和小孩增加了。
First, as fertility falls it changes the structure of the population, increasing the size of the workforce relative to the Numbers of children and old people.
ManuelyanAtinc说，在人口结构和演变方面，世界也在发生变化。
Manuelyan Atinc says the world is also changing in terms of its demographic composition and evolution.
这个现象是由于国家不断攀升的离婚率，变化的人口结构，以及商店的舒适性造成的。
The phenomenon is a result of the nation's rising divorce rate, changing demographics and the comfort of the stores themselves.
但是即使人口结构本身不能保证什么，它还是可以让经济增长变得更困难，或更轻松。
But even if demography guarantees nothing, it can make growth harder or easier.
穷国正飞速经历富国曾经走过的人口结构转型历程。而且，它们开始得更早，进行得更快。
Poor countries are racing through the same demographic transition as rich ones, starting at an earlier stage of development and moving more quickly.
但是，这些人口结构的变化为富裕国家的中期未来设置了障碍，包括他们偿还公共债务的能力。
But these demographic shifts set the boundaries for rich countries' medium-term future, including their ability to service their public debt.
在这个国家人口结构由白色转变为棕色之前，发生在加州的事也许是给其他方共和党人的一个警告。
Ahead of the nation in the demographic shift from white to brown, California may thus be a warning for Republicans elsewhere.
在这个国家人口结构由白色转变为棕色之前，发生在加州的事也许是给其他方共和党人的一个警告。
Ahead of the nation in the demographic shift from white to brown, California may thus be a warning for Republicans elsewhere.
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