Objectively speaking, what makes them the biggest music artists on the planet? Beyonce let alone Jay Z is not dominating in any category. Not physical sales, not streaming, not digital sales. Look at Beyonce versus other artists on YouTube, Spotify, Deezer or Shazam. This is data collected on May 23, 2018 so fairly recent and post-Coachella.

On Shazam she is beaten by

Rihanna 85 million
Ed Sheeran 81.3 million
the Weeknd 53.7 million
Drake 62.9 million
Bruno Mars 62.1 million
Adele 46.7 million
Eminem 46.5 million
Justin Bieber 43.3 million

Beyonce 39.4 million

Beaten on YouTube by

Ed Sheeran 604,193,621
Ariana Grande 355,260,949
Drake 352,666,892
The Weeknd 334,137,912
Shawn Mendes 243,199,915
Coldplay 241,797,070
Taylor Swift 228,754,577
Eminem 218,716,338
Nicki Minaj 214,038,161
Rihanna 212,789,986
Katy Perry 195,531,257
Sia 188,171,247
Bruno Mars 185,579,593
Migos 184,567,594

Beyonce 159,524,390

Beaten on Spotify:

Drake 48,980,246 monthly listeners
Ed sheeran 39,565,321 monthly listeners
the weeknd 35,453,727 monthly listeners
Eminem 27,135,414 monthly listeners
Bruno Mars 27,004,524 monthly listeners
Taylor swift 26,628,436 monthly listeners

Beyonce 25,953,017 monthly listeners

Beaten on Deezer

Drake 14,708,015 fans
Ed Sheeran 12,528,686 fans
Eminem 11,475,444 fans
Adele 9,948,217 fans

Beyonce 8,750,525 fans