iTunesで2015年に最も売れたアルバムはアデルの『25』、曲はマーク・ロンソンの「Uptown Funk (feat. Bruno Mars)」。iTunesが「2015年に最も売れたアルバム&ソング TOP20」を発表しています
●Top Albums on iTunes in 2015
1. 25 – Adele
2. If You're Reading This It's Too Late – Drake
3. Purpose (Deluxe) – Justin Bieber
4. Fifty Shades of Grey (Original Motion Picture Soundtrack) – Various Artists
5. 1989 (Deluxe Edition) – Taylor Swift
6. X (Deluxe Edition) – Ed Sheeran
7. Beauty Behind the Madness – The Weeknd
8. Hozier (Bonus Track Version) – Hozier
9. Compton – Dr. Dre
10. To Pimp A Butterfly – Kendrick Lamar
11. Wilder Mind (Deluxe Version) – Mumford & Sons
12. In the Lonely Hour (Deluxe Version) – Sam Smith
13. What a Time To Be Alive – Drake & Future
14. Guardians of the Galaxy: Awesome Mix Vol. 1 (Original Motion Picture Soundtrack) – Various Artists
15. Montevallo – Sam Hunt
16. Kill The Lights – Luke Bryan
17. Made In The A.M. – One Direction
18. Smoke + Mirrors (Deluxe) – Imagine Dragons
19. Á Paradis City – Jean Leloup
20. American Beauty / American Psycho – Fall Out Boy
●Top Songs on iTunes in 2015
1. "Uptown Funk" (feat. Bruno Mars)– Mark Ronson
2. "See You Again" (feat. Charlie Puth) – Wiz Khalifa
3. "Thinking Out Loud" – Ed Sheeran
4. "Hello" – Adele
5. "Cheerleader" (Felix Jaehn Remix) [Radio Edit] – OMI
6. "Honey, I'm Good." – Andy Grammer
7. "Shut Up and Dance" – Walk The Moon
8. "Take Me To Church" – Hozier
9. "FourFiveSeconds" – Rihanna and Kanye West and Paul McCartney
10. "Lean On (feat. MØ & DJ Snake) – Major Lazer
11. "Renegades" – X Ambassadors
12. "Love Me Like You Do" – Ellie Goulding
13. "Can't Feel My Face" – The Weeknd
14. "Sugar" – Maroon 5
15. "Ex's & Oh's" – Elle King
16. "Want to Want Me" – Jason Derulo
17. "Fight Song" – Rachel Platten
18. "Hey Mama (feat. Nicki Minaj, Bebe Rexha & Afrojack) – David Guetta
19. "I'm an Albatraoz" – AronChupa
20. "Where Are Ü Now (with Justin Bieber)" – Skrillex & Diplo