demography是什么意思？

But efforts are in place to expose more black, Hispanic, and low-income students to advanced math, in the hope that the demographic pool of high-level contenders will eventually begin to shift and become less exclusive.

Why should you consider taking a course in demography in college? You’ll be growing up in a generation where the baby boomers are going into retirement and dying.

Demographers (人口统计学者) reckon that three-quarters of humanity could be city-dwelling by 2050, with most of the increase coming in the fast-growing towns of Asia and Africa.

Ronald Lee, director of the Centre on the Economics and Demography of Ageing at the University of California, Berkeley, puts it briefly and clearly: "We don't really know what population ageing will be like, because nobody has done it yet.

Demography also includes the study of non-living objects like light bulbs and taxi cabs, and buildings because these are also populations.

Demography gives you the tools to understand and to address these problems.

I see demography as a central subject related to economics.