1. Kelly Clarkson "Already Gone" (4 weeks at #1)
2. Ke$ha "TiK ToK"
3. P!nk "Funhouse"
4. Owl City "Fireflies"
5. Jordin Sparks "S.O.S. (Let the Music Play)"
6. Jessie James "I Look So Good (Without You)"
7. Miley Cyrus "Party in the U.S.A." (3 weeks at #1)
8. Jay Sean "Down (feat. Lil Wayne)"
9. Carrie Underwood "Cowboy Casanova"
10. Colbie Caillat "Fallin' for You"
11. Ashley Tisdale "Crank it Up"
12. Priscilla Renea "Dollhouse"
13. Boys Like Girls "Love Drunk" (1 week at #1)
14. Cascada "Evacuate the Dancefloor"
15. Allison Iraheta "Friday I'll Be Over U"
16. The Black Eyed Peas "Meet Me Halfway"
17. Emily Osment "All the Way Up"
18. Hey Monday "How You Love Me Now"
19. Leighton Meester "Somebody to Love (feat. Robin Thicke)"
20. Zac Brown Band "Toes"
21. Jason Derülo "Whatcha Say"
22. Rihanna "Russian Roulette"
23. Shakira "She Wolf" (1 week at #1)
24. Krista "Temporary Insanity"
25. Uncle Kracker "Smile"
26. Michael Franti & Spearhead "Say Hey (I Love You) (feat. Cherine Anderson)"
27. Taylor Swift "Fifteen"
28. The Ting Tings "Great DJ"
29. Paramore "Ignorance"
30. Kris Allen "Live Like We're Dying"
31. 3OH!3 "Starstrukk"
32. Jesse McCartney "Body Language"
33. Lady GaGa "Bad Romance"
34. Orianthi "According to You"
35. Boys Like Girls "Two Is Better Than One (feat. Taylor Swift)"
36. The Veronicas "4ever 2009"
37. Cobra Starship "Good Girls Go Bad (feat. Leighton Meester)" (1 week at #1)
38. Jordin Sparks "Battlefield"
39. David Guetta "Sexy Chick (feat. Akon)" (Debut)
40. Muse "Uprising" (Debut)
Bubbling Under
41. Nickelback "Never Gonna Be Alone"
42. La Roux "Bulletproof"
43. Beyoncé "Broken-Hearted Girl"
44. Jessie James "My Cowboy" (Debut)
45. P!nk "I Don't Believe You" (Debut)