The highest reach % is 86.4% for P18+.
Source: Nielsen March 2022
AM/FM radio has mass reach among Americans 18+, adults 35-49, and even Millennials 18-34: On a monthly basis, AM/FM radio reaches 93% of adults 18+, more than live + time-shifted TV (90%), smartphones (86%), TV-connected devices (81%), PCs (76%), and tablets (46%).
Source
AM/FM radio is "the center of the total audio universe": AM/FM radio has an audience that is 16 times bigger than those who only listen to digital audio and satellite radio
Source
Learn More