In fourth quarter 2018, there was a 50.1% rise in the number of total non-advertising subscription streams to 157.4 billion, according to BuzzAngle Music, a music analytics company. At the same time, ad-supported streams of music rose 18% to 27.5 billion.
Source: MediaDailyNews: Subscription Music Sees Big 2018 Rises, Ad-Supported Music Has Smaller Hikes