demographer造句怎么写

The effects of the policy are debated, but for a leading Chinese demographer, the policy had postponed the arrival of the world population of 7 billion by at least five years.

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

One demographer has said the 300 millionth person would likely be a Latino boy given current U.S. population trends.

The new figure is six times the intermarriage rate of roughly 2% in 1960, says senior demographer Jeff Passel, the report's lead author.

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

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

Joel Kotkin, a demographer, points out that California has always had fires during dry years, at least since the time of the Spaniards.

Jeffrey Passel, a demographer at the Pew Hispanic Centre, estimates that the number of illegal immigrants in America fell by 500,000 between 2007 and 2008.

Overall, Hispanics children account for 37 percent of the children in poverty, a share that has gone up substantially since 2009, according to William Frey, a Brookings Institution demographer.