About seventy percent of the population in China are farmers. 中國大約有百分之七十的人口是農民。
在表示多個地區的人口時,population要用復數形式populations。例如:
Many parts of the world, which once had large populations and produced plenty of crops, have become deserts. 世界上很多地區壹度人口眾多,種植大量的農作物;現在,這些地區已經變成了沙漠。