1. The Weeknd
2. Taylor Swift
3. Fetty Wap
4. Ed Sheeran
5. Drake
6. Maroon 5
7. Meghan Trainor
8. Mark Ronson
9. Sam Smith
10. Walk The Moon
11. Ellie Goulding
12. Nicki Minaj
13. Silento
14. Wiz Khalifa
15. OMI
16. Justin Bieber
17. Selena Gomez
18. Jason Derulo
19. Nick Jonas
20. Hozier
21. Fall Out Boy
22. Tove Lo
23. Sam Hunt
24. One Direction
25. Rae Sremmurd
26. Ariana Grande
27. Rache Platen
28. Bruno Mars
29. Charlie Puth
30. Sia
Radio Airplay, Sales Data, Streaming Data, Social 50 Activity, Box Score
Katy gets a lot of recurrent airplay and streams, and she was pretty active on the social 50 this year. Also, part of her PWT counted for this tracking period.
1. Taylor Swift
2. Ed Sheeran
3. The Weeknd
4. Drake
5. One Direction
6. Maroon 5
7. Meghan Trainor
8. Fetty Wap
9. Sam Smith
10. Nicki Minaj
11. Ariana Grande
12. Selena Gomez
13. Mark Ronson
14. Luke Bryan
15. Justin Bieber
16. Wiz Khalifa
17. Walk The Moon
18. Hozier
19. Fall Out Boy
20. Ellie Goulding
21. Katy Perry
22. Kenny Chesney
23. Sam Hunt
24. Beyoncé
25. J Cole
26. Rihanna
27. Nick Jonas
28. Jason Derulo
29. Florida Georgia Line
30. Bruno Mars
1. Taylor Swift
2. Ed Sheeran
3. The Weeknd
4. Drake
5. One Direction
6. Maroon 5
7. Meghan Trainor
8. Fetty Wap
9. Sam Smith
10. Nicki Minaj
11. Ariana Grande
12. Selena Gomez
13. Mark Ronson
14. Luke Bryan
15. Justin Bieber
16. Wiz Khalifa
17. Walk The Moon
18. Hozier
19. Fall Out Boy
20. Ellie Goulding
21. Katy Perry
22. Kenny Chesney
23. Sam Hunt
24. Beyoncé
25. J Cole
26. Rihanna
27. Nick Jonas
28. Jason Derulo
29. Florida Georgia Line
30. Bruno Mars
1. Uptown Funk!
2. Shut Up + Dance
3. Can't Feel My Face
4. Bad Blood
5. Sugar
6. Blank Space
7. See You Again
8. Lean On / Love Me Like You Do (TIE)
10. Thinking Out Loud
11. Want To Want Me
12. Style
13. Good For You
14. Cheerleader
15. Hey Mama
16. Worth It
17. Jealous
18. Talking Body
19. Take Me To Church
20. Earned It
21. Photograph
22. Locked Away
23. Stitches
24. Time of Our Lives
25. Cool For The Summer
26. Where Are U Now
27. Somebody
28. I'm Not The Only One
29. The Hills
30. Wildest Dreams