readership
noun [ S, + sing/pl verb ] uk/ˈriː.də.ʃɪp/ us/ˈriː.dɚ.ʃɪp/
C1 （报纸、杂志等的全体）读者
the group of people who regularly read a particular newspaper, magazine, etc.
The magazine has a readership of over 250,000. 这本杂志的读者超过了25万人。
It's a newspaper with a large right-wing readership. 这份报纸拥有大批右翼读者。