Reuters:

Apple Inc’s streaming music service now has 38 million paid subscribers, up from 36 million in February, the company said on Monday.

And:

Apple’s number compares to 71 million premium subscribers at the end of 2017 at industry leader Spotify.

And:

Amazon Music Unlimited has 16 million paying subscribers, and Pandora Media Inc has 5.48 million total subscribers.

Eddie Cue shared the Apple Music numbers on stage at South by Southwest in Austin.