demographer

Professor Antonio Golini is a demographer at the University of Rome .

罗马大学安东尼奥教授是位人口统计学家

The demographer will coordinate data collection and analysis on human settlements conditions .

这个人口统计学家将会整合这些数据并分析人类的居住条件。

Demographers reckon that three-quarters of humanity could be city-dwelling by 2050 , with most of the increase coming in the fast-growing towns of Asia and Africa .

人口统计学家估计,到2050年,城市居民可能会占总人口的四分之三,其中大部分增长来自亚洲和非洲快速发展的城镇。

Selectivity of human migration long been the focus of demographers and economists .

人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点

Demographers , however , point out that the'single " trend will have a profound effect on American institutions .

不过，人口学家们指出，“单身”趋势将对美国的公共机构产生深远的影响

Some Chinese demographers worry that the country will get old before getting rich .

一些中国的人口学家甚至担心国家未富先老。

Until recently most discussion in China has been confined to academic demographers .

迄今为止，在中国的大多数讨论都限于学术界的人口学家。

Demographers say this approach is too cautious for the growing labour needs .

人口统计学家表示，在劳动力需求不断增长的情况下，这种态度显得过于谨慎。

Demographers also expect strains on the household registration system , which restricts internal migration .

人口统计学家同时预测阻碍国内移民的户籍制度将受到压力。

Demographers say a rate of 2.1 is needed to keep a population from declining .

人口统计学家指出，生育率必须达到2.1，才能防止人口减少。

Selectivity of human migration has long been the focus of demographers and economists .

人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点。

With too few workers and too many old people , demographers say China faces an ageing crisis .

人口学家表示，由于劳动力太少，而老人太多，中国面临着老龄化危机。

Many demographers believe that around the end of the century , the global population will gradually level off .

许多人口统计学家认为在本世纪末期的某个阶段，世界人口将趋于平稳。

Demographers have calculated that the world 's population will double by the end of the twentieth century .

人口统计学家推算到了二十世纪末世界人口会加倍。

Demographer William Frey says immigrants with young families will help keep the United States competitive .

人口统计学家佛瑞表示这些年轻的家庭会帮助美国保持竞争力。

Methods With the mode of disease fail initiated by the demographer Manton , K.

方法采用人口学家Manton，K。

Demographers and economists have put great concern and focus on the new theory of Demographic Dividend and made some research in this field .

人口红利理论的出现随即得到国内学者的高度重视和广泛关注，并在该领域取得一些研究成果。

In other countries , demographers have also grappled with theories of baby booms linked to specific events .

在其他国家，人口统计学家还坚持着婴儿潮与特定事件有关联的理论。

Many demographers reckon itis already too late to lift Japan 's birth rate , now at 1.43children per woman .

很多人口学家认为，提高日本的生育率为时已晚，现在日本女性人均生育率为1.43。

Demographers predict that the US and Europe will represent only 12 per cent of the population of the planet by 2050 .

人口学家预计，到2050年，美国和欧洲将仅占地球总人口的12%。

But netizens and demographers who opposed the clause said that it aimed to encourage people to have fewer children .

但是反对这一条例的网民和人口学家称，这一草案会鼓励人们少要孩子。

John May , a demographer at the World Bank , warned : Each new billion will pose more problems than the previous billion .

世界银行（worldbank）人口学家约翰梅（JohnMay）警告说：每新增10亿人口，都会比之前的10亿人口造成更多问题。

Some demographers estimate there may be 30 million , even 50 million of them thanks to the widening sex ratio at birth .

一些人口统计学家预测，由于男女比例失调日益严重，这一数字将会达到三千万，甚至五千万。

Millions of soon-to-retire baby boomers , say demographers , will propel this trend for years to come .

人口统计学家称，成百万行将退休的战后一代将此趋势烧得更旺。

Demographers expect the global population to peak at around 10 billion ( it is now 6.5 billion ) by mid-century .

人口统计学家预测，到本世纪中叶，世界人口总数将接近100亿（目前为65亿）。

The Family Planning Council and demographers need to stop ignoring the facts and put the revision of China 's population policy onto the fast track .

计生委和人口学家需要停止忽视事实，并且急需修正中国的人口政策。

Committee of Planners , Statisticians and Demographers The Additional Births v.s Population of Yanbian Korean Ethnic Group

规划人员、统计人员和人口学家委员会延边朝鲜族人口多胎生育行为及人口学后果

The matter of income has always been the key issue concerned by the economists while that of population development is the hot issue studied by the demographers .

收入问题历来是经济学家关注的重要问题，人口发展问题始终是人口学研究的热点问题。

Birth-planning laws already allow so many exceptions that many demographers consider it a misnomer to call it a one-child policy .

中国的计划生育法规已经允许了太多的例外，因此许多人口统计学家认为独生子女政策已名不副实。

Demographers predicted that " 4-2-1 families " will continue to define the mainstream of Chinese families in the next 10 years , especially in the urban areas .

根据人口专家预测，未来10年，421家庭将成为中国社会的家庭主流。