1. CASCADA-Evacuate the Dance Floor (2 Weeks/+21/Peak: 1(1) JUMP OF THE WEEK!
2. The Ting Tings-That's Not My Name (9 Weeks/SAME/Peak: 2)
3. Paramore-I Caught Myself (9 Weeks/SAME/Peak: 3)
4. Kristinia DeBarge-Goodbye (11 Weeks/-3/Peak: 1(2)
5. Lady Gaga-LoveGame (14 Weeks/+5/Peak: 5)
6. Ashley Tisdale-It's Alright, It's Ok (9 Weeks/-2/Peak: 1(3)
7. Lady Gaga-Poker Face (16 Weeks/SAME/Peak: 1(3)
8. Miley Cyrus-The Climb (16 Weeks/-3/Peak: 1(2)
9. Katy Perry-Waking Up In Vegas (15 Weeks/-3/Peak: 1(2)
10. Kaci Battaglia-Crazy Possessive (3 Weeks/+9/Peak: 10)
11. Lady Gaga-Paparazzi (12 Weeks/+1/Peak: 5)
12. Taylor Swift-Crazier (14 Weeks/-1/Peak: 11)
13. Adam Lambert-No Boundaries (4 Weeks/+2/Peak: 13)
14. V Factory-Love Struck (14 Weeks/SAME/Peak: 3)
15. Beyonce-Sweet Dreams (7 Weeks/+1/Peak: 15)
16. The Pussycat Dolls-Jai Ho (14 Weeks/-3/Peak: 1(2)
17. Britney Spears-Radar (7 Weeks/SAME/Peak: 17)
18. Comic Book Heroes-Catch Me If You Can (5 Weeks/SAME/Peak: 18)
19. Hannah Montana-Ice Cream Freeze (4 Weeks/+4/Peak: 19)
20. Demi Lovato-Don't Forget (14 Weeks/-12/Peak: 1(1)
21. Demi Lovato-So Far, So Great (7 Weeks/SAME/Peak: 21)
22. Kim Sozzi-Feel Your Love (4 Weeks/+2/Peak: 22)
23. Esmee Denters-Outta Here (3 Weeks/+2/Peak: 23)
24. The Veronicas-Take Me On the Floor (14 Weeks/-15/Peak: 2) FALL OF THE WEEK
25. Keri Hilson f. Kanye West & Ne-Yo-Knock You Down (2 Weeks/+1/Peak: 25)
26. Taylor Swift-You Belong With Me (8 Weeks/RETURN/Peak: 15)
27. Jessie James-Wanted (3 Weeks/+1/Peak: 27)
28. Kate Voegele-99 Times (2 Weeks/-1/Peak: 27)
29. Linkin Park-New Divide (2 Weeks/+1/Peak: 29)
30. Demi Lovato & Selena Gomez-One & The Same (2 Weeks/-1/Peak: 29)
Falloffs:
Black Eyed Peas-Boom Boom Pow (13 Weeks, Peak: 2)
#1s of 2009
March 6-Miley Cyrus-The Climb
March 13-Miley Cyrus-The Climb
March 20-Demi Lovato-Don't Forget
March 27-Lady Gaga-Poker Face
April 3-Lady Gaga-Poker Face
April 10-Lady Gaga-Poker Face
April 17-The Pussycat Dolls-Jai Ho
April 24-The Pussycat Dolls-Jai Ho
May 1-Ashley Tisdale-It's Alright, It's Ok
May 8-Ashley Tisdale-It's Alright, It's Ok
May 15-Ashley Tisdale-It's Alright, It's Ok
May 22-Katy Perry-Waking Up In Vegas
May 29-Katy Perry-Waking Up In Vegas
June 5-Kristinia DeBarge-Goodbye
June 12-Kristinia DeBarge-Goodbye
June 19-CASCADA-Evacuate the Dance Floor