人口統計的用法和樣例：
例句
-
我手頭正好有最新的人口統計資料。
I happen to having the latest population statistics with me. -
人口統計學對人口特徵，例如數量、增長情況、密度、分佈和人口動態統計等進行研究的學科
The study of the characteristics of human populations, such as size, growth, density, distribution, and vital statistics.
