Lady GaGa's hit single "Poker Face" is on the 상단, 맨 위로 of the United World year-end singles chart, which means it was the best-selling song of 2009 in the world! Gaga is also the only artist to have FIVE songs on the list! Congratulations!
1) Lady GaGa – Poker Face
2) Black Eyed Peas – I Gotta Feeling
3) Black Eyed Peas – Boom Boom Pow
4) Flo Rida – Right Round
5) Lady GaGa – Just Dance
6) 비욘세 – Halo
7) Pitbull – I Know 당신 Want Me
8) David Guetta – Sexy Bitch
9) Kings Of Leon – Use Somebody
10) Katy Perry – Hot N Cold
11) Taylor 빠른, 스위프트 – 사랑 Story
12) Lady GaGa – Paparazzi
13) Kelly Clarkson – My Life Would Suck…
14) David Guetta – When 사랑 Takes Over
15) Jason Mraz – I'm Yours
16) 어치, 제이 Sean – Down
17) T.I. – Dead And Gone
18) 제이 지 – Empire State Of Mind
19) All-American Rejects – Gives 당신 Hell
20) Miley Cyrus – Party In The U.S.A.     21) Taylor 빠른, 스위프트 – 당신 Belong With Me
22) 샤키라 – She Wolf/Loba
23) Black Eyed Peas – Meet Me Halfway
24) Kid Cudi – 일 'n' Nite
25) 제이 지 – Run This Town
26) Keri Hilson – Knock 당신 Down
27) Lady GaGa – Bad Romance
28) 비욘세 – Single Ladies
29) 담홍색, 핑크 – Sober
30) Jason DeRulo – Watcha Say
31) Miley Cyrus – The Climb
32) Britney Spears – Circus
33) 담홍색, 핑크 – Please Don't Leave Me
34) Cascada – Evacuate The Dancefloor
35) Sean Kingston – 불, 화재 Burning
36) Lady GaGa – LoveGame
37) 마돈나 – Celebration
38) 케샤 – TiK ToK
39) Soulja Boy – 키스 Me Thru The Phone
40) Kanye West – Heartless