listenership

US /ˈlɪs.ən.ɚ.ʃɪp/
UK /ˈlɪs.ən.ɚ.ʃɪp/
1.

傾聽者

the people, type of people, or number of people who listen to a radio program, recording, or type of music:

:
No controller wants to run a station whose listenership is going down.