Chart History
| Issue Date | Song | Artist(s) |
|---|---|---|
| January 3 | "Poker Face" | Lady Gaga |
| January 10 | ||
| January 17 | ||
| January 24 | ||
| January 31 | ||
| February 7 | "My Life Would Suck Without You" | Kelly Clarkson |
| February 14 | "Poker Face" | Lady Gaga |
| February 21 | "Crack a Bottle" | Eminem, Dr. Dre & 50 Cent |
| February 28 | "Right Round" | Flo Rida |
| March 7 | ||
| March 14 | ||
| March 21 | ||
| March 28 | ||
| April 4 | ||
| April 11 | ||
| April 18 | "Boom Boom Pow" | The Black Eyed Peas |
| April 25 | "Right Round" | Flo Rida |
| May 2 | ||
| May 9 | "Boom Boom Pow" | The Black Eyed Peas |
| May 16 | ||
| May 23 | ||
| May 30 | ||
| June 6 | ||
| June 13 | ||
| June 20 | ||
| June 27 | ||
| July 4 | "I Gotta Feeling" | |
| July 11 | ||
| July 18 | ||
| July 25 | ||
| August 1 | ||
| August 8 | ||
| August 15 | ||
| August 22 | ||
| August 29 | ||
| September 5 | ||
| September 12 | ||
| September 19 | ||
| September 26 | ||
| October 3 | ||
| October 10 | ||
| October 17 | ||
| October 24 | "3" | Britney Spears |
| October 31 | "Sexy Chick" | David Guetta featuring Akon |
| November 7 | ||
| November 14 | "Bad Romance" | Lady Gaga |
| November 21 | "Tik Tok" | Kesha |
| November 28 | ||
| December 5 | "Bad Romance" | Lady Gaga |
| December 12 | ||
| December 19 | ||
| December 26 |
Read more about this topic: List Of Hot 100 Number-one Singles Of 2009 (Canada)
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“American time has stretched around the world. It has become the dominant tempo of modern history, especially of the history of Europe.”
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