Demographers and geographers attribute the slowing largely to the recession, which has hit California particularly hard, leaving its once-robust economy to bring up the rear of the national recovery. 人口学家和地理学家把缓慢的情形都归咎于不景气,加州情形尤为严重,以致加州一度蓬勃的经济竟然在全国复苏中落在各州之后。
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。
One demographer has said the300 millionth person would likely be a Latino boy given current U. S. population trends. 美国一位人口统计学家曾说,从目前美国的人口走势来看,这第三亿个人可能会是一个拉丁裔男婴。
demographer
[ noun ] a scientist who studies the growth and density of populations and their vital statistics <noun.person>
Children from divorced families tend to get sick more often than those in intact families, University of California demographer Jane Mauldon finds.
Ms. Russell, the demographer, and others note that if even a tiny fraction of the baby boom buys second homes, that's hundreds of thousands of new buyers.
Come to Britain, enjoy its active, youthful population, its fine babies and careful drivers. But a Europe of regions is not to be fashioned from the demographer's computer.
Carolyn Rogers, a USDA demographer, said studies show that since the late 1970s there has been an increase in poverty among both urban and rural occupants.
According to demographer Arlene Saluter, U. S. Census Bureau statistician, people are older at first marriage than they once were.
Spouses and children are the traditional care givers for the very old, but, notes Rand Corp. demographer Peter Morrison, elderly boomers will almost certainly have fewer of these around to help than their parents have.
Ms. Burke is an economist and demographer who has been a consultant to the Pan American Health Organization, the World Bank and the Agency for International Development.
"Growth provides a sense of dynamism to a community," says Mr. Kasarda, the University of North Carolina economic demographer.
Look at the register of new home buyers in affluent Orange County, suggests Mr Peter Morrison, a demographer at the Rand Corporation in California.
The decline reflects "changes in the age structure of the American population," said Census Bureau demographer Campbell Gibson in a telephone interview Thursday.