人口学家

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。

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

首次使用现代意义上第三世界的是法国人口学家艾尔弗雷德·索雷（AlfredSauvy），法多大革命时期，他用第三世界来比喻“平民阶级”（第三阶级，thirdestate）。

The first to use it in its modern sense was Alfred Sauvy , a French demographer who drew a parallel with the " third estate "( the people ) during the French revolution .

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

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

方法采用人口学家Manton，K。

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

美国人口普查局的人口学家韦斯帕（JonathanVespa）说，现在典型美国男性首次结婚的年龄是29岁，远高于1956年的历史低点23岁，但只比1890年高出三岁。

Today , the typical American man marries for the first time when he is 29 years old -- well above the historical low of 23 in 1956 , but only three years older than in 1890 , according to Jonathan Vespa , a Census demographer .

迄今为止，在中国的大多数讨论都限于学术界的人口学家。

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

一些中国的人口学家甚至担心国家未富先老。

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

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

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

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。

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

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。

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

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。

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

人口学家预计，到2050年，美国和欧洲将仅占地球总人口的12%。

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

今年，在世界人居日所在的这个月，据人口学家预言，将诞生我们星球上第70亿个居民。

This year , World Habitat Day falls during the month when demographers predict our planet 's seven billionth inhabitant will be born .

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。

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 .

但人口学家说，这种趋势实际上反映出成年人更愿意独处、住在家人的附近但不一起生活。

But demographers say what the trend truly reveals is that adults just prefer their own company , living near their families , but not with them .

这个结论可能会令社会学家和人口学家震惊，因为人们一直认为东亚人群中重男轻女倾向普遍。

This may appear shocking to sociologists and demographers since it has been long believed that preference for sons over daughters prevails in populations of East Asia .

这就是英国人口学家马尔萨斯发现的可怕事实：一国经济之潜力受制于食品的供应。

This was the grim fact identified by Thomas Malthus , an English demographer , that a country 's economic potential was limited by its food supply .

上海屡次出台措施鼓励生育，但毫无成效。据人口学家表示，上海的生育率已是全球最低水平。

Shanghai , which demographers say has the lowest birth rate in the world , has launched repeated efforts to encourage procreation – but to no avail .

虽然人口学家承认中国十二生肖文化的重要性，有些人还是向这种文化泼来了冷水，因为他们认为这种文化影响了全国人口的出生率。

While demographers acknowledge the Chinese zodiac 's cultural importance , some have thrown cold water on the idea that it affects birthrates on a national scale .

这不是悲观的人生思考，而是欧洲经济新气象，它受到人口学家、房地产发展商和广告商这类人的普遍欢迎。

This isn 't the stuff of gloomy philosophical meditations , but a fact of Europe 's new economic landscape , embraced by demographers , real-estate developers and ad executives alike .

在维希，人口学家互相转告，在像英格兰和威尔士这些国家，他们对将有多少老人和他们能活多久的估计应向上调整。

At Vichy the demographers were telling each other that their estimates of how many old there would be and how long they will live in countries like England and Wales are due for revision upwards .

而人口学家告诉我们说，大概在2017、2018年中国会出现人口的拐点，会进入老年社会，投资者现在就需要为自己的未来配置资产。

While the population of jurists told us that , in20172018 , China probably will be the turning point in the population will be aging society , investors , we need to own the future allocation of assets .

他们被娇惯，享受24小时有线电视网，被市场营销人员和大学招生人员过分关心，被心理学家、人口学家和时尚达人剖析，如今他们终于形成了气候。

Coddled and helicoptered , catered to by 24-hour TV cable networks , fussed over by marketers and college recruiters , dissected by psychologists , demographers and trend-spotters , the millennial generation has come fully into its own .

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

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。

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