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.
人口統計學家約爾·柯特金指出，加州在乾旱年份縂是有火災，這至少始於西班牙人統治時期。
edu.sina.com.cn
This was the grim fact identified by Thomas Malthus, an English demographer, that a country's economic potential was limited by its food supply.
這就是英國人口學家馬爾薩斯發現的可怕事實：一國的食物供應限制了其經濟發展之潛力。
Male preference in South Korea “is over,” says Monica Das Gupta, a demographer and Asia expert at the World Bank.
莫妮卡，是人口統計學家，也是世界銀行的亞洲專家，她說南韓偏愛男性的時代“結束了”。

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