俱乐部的会员人数超过了500名。

The club has a membership of more than 500.

《牛津词典》

俱乐部会员人数已从70减少到20。

Membership of the club has dwindled from 70 to 20.

《牛津词典》

会员人数也在半年内从100人减少到20人。

Club membership has also fallen from 100 to 20 in the last six months.

youdao

Just three years later it had 110,000 members: 110,000 subscribers in 1929.

仅仅三年后,它的会员人数达到了十一万：,1929年的订阅者人数是十一万。

耶鲁公开课 - 1945年后的美国小说课程节选

So I help check people in the class, answer their membership questions, sell memberships, all of that, and

我负责帮助核对上课人数，回答会员问题，销售会籍等，

上东区的瑜伽老师 - SpeakingMax英语口语达人