demographics

1.the demographics of book buyers.

购书人口统计据。

2.The demographics of the Southwest indicate a growing population of older consumers.

西南部人口统计状况显示了老年消费者增长

3.In the late nineties, based on reviewing the demographics of students with the lowest averages in the country, critics called the SAT racist, urban-centric and classist.

上世纪九十年代，在对SAT平均最低学生体进行考察后，评论家称该考试带有种族主、中心主和阶级偏见色彩。