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| Date | Title | Country | Details |
|---|---|---|---|
| 1/5 | Please Don't GoDetailsArtist: KC and the Sunshine Band · Weeks at No. 1 that month: 1 | United States | Artist: KC and the Sunshine Band · Weeks at No. 1 that month: 1 |
| 1/12 | Escape (The Piña Colada Song)DetailsArtist: Rupert Holmes · Weeks at No. 1 that month: 1 | United States | Artist: Rupert Holmes · Weeks at No. 1 that month: 1 |
| 1/19 | Rock with YouDetailsArtist: Michael Jackson · Weeks at No. 1 that month: 2 | United States | Artist: Michael Jackson · Weeks at No. 1 that month: 2 |
| 2/2 | Rock with YouDetailsArtist: Michael Jackson · Weeks at No. 1 that month: 2 | United States | Artist: Michael Jackson · Weeks at No. 1 that month: 2 |
| 2/16 | Do That to Me One More TimeDetailsArtist: Captain & Tennille · Weeks at No. 1 that month: 1 | United States | Artist: Captain & Tennille · Weeks at No. 1 that month: 1 |
| 2/23 | Crazy Little Thing Called LoveDetailsArtist: Queen · Weeks at No. 1 that month: 1 | United States | Artist: Queen · Weeks at No. 1 that month: 1 |
| 3/1 | Crazy Little Thing Called LoveDetailsArtist: Queen · Weeks at No. 1 that month: 3 | United States | Artist: Queen · Weeks at No. 1 that month: 3 |
| 3/22 | Another Brick in the Wall, Part IIDetailsArtist: Pink Floyd · Weeks at No. 1 that month: 2 | United States | Artist: Pink Floyd · Weeks at No. 1 that month: 2 |
| 4/5 | Another Brick in the Wall, Part IIDetailsArtist: Pink Floyd · Weeks at No. 1 that month: 2 | United States | Artist: Pink Floyd · Weeks at No. 1 that month: 2 |
| 4/19 | Call MeDetailsArtist: Blondie · Weeks at No. 1 that month: 2 | United States | Artist: Blondie · Weeks at No. 1 that month: 2 |
| 5/3 | Call MeDetailsArtist: Blondie · Weeks at No. 1 that month: 4 | United States | Artist: Blondie · Weeks at No. 1 that month: 4 |
| 5/31 | FunkytownDetailsArtist: Lipps Inc. · Weeks at No. 1 that month: 1 | United States | Artist: Lipps Inc. · Weeks at No. 1 that month: 1 |
| 6/7 | FunkytownDetailsArtist: Lipps Inc. · Weeks at No. 1 that month: 3 | United States | Artist: Lipps Inc. · Weeks at No. 1 that month: 3 |
| 6/28 | Coming UpDetailsArtist: Paul McCartney · Weeks at No. 1 that month: 1 | United States | Artist: Paul McCartney · Weeks at No. 1 that month: 1 |
| 7/5 | Coming UpDetailsArtist: Paul McCartney · Weeks at No. 1 that month: 2 | United States | Artist: Paul McCartney · Weeks at No. 1 that month: 2 |
| 7/19 | It's Still Rock and Roll to MeDetailsArtist: Billy Joel · Weeks at No. 1 that month: 2 | United States | Artist: Billy Joel · Weeks at No. 1 that month: 2 |
| 8/2 | MagicDetailsArtist: Olivia Newton-John · Weeks at No. 1 that month: 4 | United States | Artist: Olivia Newton-John · Weeks at No. 1 that month: 4 |
| 8/30 | SailingDetailsArtist: Christopher Cross · Weeks at No. 1 that month: 1 | United States | Artist: Christopher Cross · Weeks at No. 1 that month: 1 |
| 9/6 | Upside DownDetailsArtist: Diana Ross · Weeks at No. 1 that month: 4 | United States | Artist: Diana Ross · Weeks at No. 1 that month: 4 |
| 10/4 | Another One Bites the DustDetailsArtist: Queen · Weeks at No. 1 that month: 3 | United States | Artist: Queen · Weeks at No. 1 that month: 3 |
| 10/25 | Woman in LoveDetailsArtist: Barbra Streisand · Weeks at No. 1 that month: 1 | United States | Artist: Barbra Streisand · Weeks at No. 1 that month: 1 |
| 11/1 | Woman in LoveDetailsArtist: Barbra Streisand · Weeks at No. 1 that month: 2 | United States | Artist: Barbra Streisand · Weeks at No. 1 that month: 2 |
| 11/15 | LadyDetailsArtist: Kenny Rogers · Weeks at No. 1 that month: 3 | United States | Artist: Kenny Rogers · Weeks at No. 1 that month: 3 |
| 12/6 | LadyDetailsArtist: Kenny Rogers · Weeks at No. 1 that month: 3 | United States | Artist: Kenny Rogers · Weeks at No. 1 that month: 3 |
| 12/27 | (Just Like) Starting OverDetailsArtist: John Lennon · Weeks at No. 1 that month: 1 | United States | Artist: John Lennon · Weeks at No. 1 that month: 1 |