demographer

音标发音

Joel Kotkin, a demographer, points out that California has always had fires during dry years, at least since the time of the Spaniards.
人口统计学家约尔·柯特金指出，加州在干旱年份总是有火灾，这至少始于西班牙人统治时期。
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This was the grim fact identified by Thomas Malthus, an English demographer, that a country's economic potential was limited by its food supply.
这就是英国人口学家马尔萨斯发现的可怕事实：一国的食物供应限制了其经济发展之潜力。
Male preference in South Korea “is over,” says Monica Das Gupta, a demographer and Asia expert at the World Bank.
莫妮卡，是人口统计学家，也是世界银行的亚洲专家，她说南韩偏爱男性的时代“结束了”。

Huge time commitments at work, notes demographer Phil Longman, often work against potential parents.
FORBES: Decline Of The Asian Family: Drop In Marriages, Births, Threatens Economic Ascendancy
Jean-Claude Chenais, a leading French demographer, guesses that Germany has 1m and France up to 500, 000 illegals.
ECONOMIST: Who gets in
As virtually every Chinese demographer will tell you in private, the one-child policy has long outlived its usefulness.
FORBES: New Asia

a person who studies changes in numbers of births, marriages, deaths, etc. in an area over a period of time