demo-, 人民。-graph, 写，记录。用来指人口统计学。

1. the social demography of Africa

非洲社会人口统计

2. Demography is the analysis of population variables.

人口学是对人口变量的分析.

3. The subject of demography has merged with that of reproductive strategies of organisms.

关于生命统计这个课题已渗入了关于有机体繁殖对策的课题.

4. His institute works on issues ranging from demography to labour shortages.

他的学院的研究领域从人口统计延伸到劳动力短缺.

5. Second, and more subtly, one can look at demography.

第二, 更加微妙的是, 看看人口统计学方面.