demography

名词

1. 1

   人口学、人口统计学

   She studied demography before working for the national statistics office.

   她在进入国家统计局工作前主修人口学。

2. 2

   人口结构、人口组成

   The demography of the city has changed rapidly in ten years.

   这座城市的人口结构在十年间迅速改变。