Sports
Entertainment
| Date | Title | Country | Details |
|---|---|---|---|
| 1/2 | Tik TokDetailsArtist: Kesha · Weeks at No. 1 that month: 5 | United States | Artist: Kesha · Weeks at No. 1 that month: 5 |
| 2/6 | Tik TokDetailsArtist: Kesha · Weeks at No. 1 that month: 4 | United States | Artist: Kesha · Weeks at No. 1 that month: 4 |
| 3/6 | Imma BeDetailsArtist: The Black Eyed Peas · Weeks at No. 1 that month: 2 | United States | Artist: The Black Eyed Peas · Weeks at No. 1 that month: 2 |
| 3/20 | Break Your HeartDetailsArtist: Taio Cruz featuring Ludacris · Weeks at No. 1 that month: 1 | United States | Artist: Taio Cruz featuring Ludacris · Weeks at No. 1 that month: 1 |
| 3/27 | Rude BoyDetailsArtist: Rihanna · Weeks at No. 1 that month: 1 | United States | Artist: Rihanna · Weeks at No. 1 that month: 1 |
| 4/3 | Rude BoyDetailsArtist: Rihanna · Weeks at No. 1 that month: 4 | United States | Artist: Rihanna · Weeks at No. 1 that month: 4 |
| 5/1 | Nothin' on YouDetailsArtist: B.o.B featuring Bruno Mars · Weeks at No. 1 that month: 2 | United States | Artist: B.o.B featuring Bruno Mars · Weeks at No. 1 that month: 2 |
| 5/15 | OMGDetailsArtist: Usher featuring will.i.am · Weeks at No. 1 that month: 2 | United States | Artist: Usher featuring will.i.am · Weeks at No. 1 that month: 2 |
| 5/22 | Not AfraidDetailsArtist: Eminem · Weeks at No. 1 that month: 1 | United States | Artist: Eminem · Weeks at No. 1 that month: 1 |
| 6/5 | OMGDetailsArtist: Usher featuring will.i.am · Weeks at No. 1 that month: 2 | United States | Artist: Usher featuring will.i.am · Weeks at No. 1 that month: 2 |
| 6/19 | California GurlsDetailsArtist: Katy Perry featuring Snoop Dogg · Weeks at No. 1 that month: 2 | United States | Artist: Katy Perry featuring Snoop Dogg · Weeks at No. 1 that month: 2 |
| 7/3 | California GurlsDetailsArtist: Katy Perry featuring Snoop Dogg · Weeks at No. 1 that month: 4 | United States | Artist: Katy Perry featuring Snoop Dogg · Weeks at No. 1 that month: 4 |
| 7/31 | Love the Way You LieDetailsArtist: Eminem featuring Rihanna · Weeks at No. 1 that month: 1 | United States | Artist: Eminem featuring Rihanna · Weeks at No. 1 that month: 1 |
| 8/7 | Love the Way You LieDetailsArtist: Eminem featuring Rihanna · Weeks at No. 1 that month: 4 | United States | Artist: Eminem featuring Rihanna · Weeks at No. 1 that month: 4 |
| 9/4 | Love the Way You LieDetailsArtist: Eminem featuring Rihanna · Weeks at No. 1 that month: 2 | United States | Artist: Eminem featuring Rihanna · Weeks at No. 1 that month: 2 |
| 9/18 | Teenage DreamDetailsArtist: Katy Perry · Weeks at No. 1 that month: 2 | United States | Artist: Katy Perry · Weeks at No. 1 that month: 2 |
| 10/2 | Just the Way You AreDetailsArtist: Bruno Mars · Weeks at No. 1 that month: 4 | United States | Artist: Bruno Mars · Weeks at No. 1 that month: 4 |
| 10/30 | Like a G6DetailsArtist: Far East Movement featuring The Cataracs and Dev · Weeks at No. 1 that month: 1 | United States | Artist: Far East Movement featuring The Cataracs and Dev · Weeks at No. 1 that month: 1 |
| 11/6 | Like a G6DetailsArtist: Far East Movement featuring The Cataracs and Dev · Weeks at No. 1 that month: 2 | United States | Artist: Far East Movement featuring The Cataracs and Dev · Weeks at No. 1 that month: 2 |
| 11/13 | We R Who We RDetailsArtist: Kesha · Weeks at No. 1 that month: 1 | United States | Artist: Kesha · Weeks at No. 1 that month: 1 |
| 11/20 | What's My Name?DetailsArtist: Rihanna featuring Drake · Weeks at No. 1 that month: 1 | United States | Artist: Rihanna featuring Drake · Weeks at No. 1 that month: 1 |
| 12/4 | Only Girl (In the World)DetailsArtist: Rihanna · Weeks at No. 1 that month: 1 | United States | Artist: Rihanna · Weeks at No. 1 that month: 1 |
| 12/11 | Raise Your GlassDetailsArtist: Pink · Weeks at No. 1 that month: 1 | United States | Artist: Pink · Weeks at No. 1 that month: 1 |
| 12/18 | FireworkDetailsArtist: Katy Perry · Weeks at No. 1 that month: 2 | United States | Artist: Katy Perry · Weeks at No. 1 that month: 2 |