pinguo0911
The total number of people.例如：The total number of people infected with malaria was expected to reach 20 million.感染疟疾者的总人数预期达到两千万人。
Z黑暗中獨舞
Numberofperson或者是Numberofpeople应该是后者吧！上面的headcount意思是总人数。而population的意思是人口。意思不大一样如果有什么单词不知道可以到下面那个网站上去翻译
心赏198808
In the US, online shoppers contribute to 69% of the total netizens and 49.8% of the total population (citizens不如population准确，但对仗工整).
