| Wallonia |
| Issue date | Song | Artist |
| 2 January | "Hello" | Adele |
| 9 January |
| 16 January |
| 23 January |
| 30 January |
| 6 February |
| 13 February |
| 20 February |
| 27 February |
| 5 March | "Work" | Rihanna featuring Drake |
| 12 March | "Hundred Miles" | Yall featuring Gabriela Richardson |
| 19 March |
| 26 March |
| 2 April | "Faded" | Alan Walker |
| 9 April |
| 16 April |
| 23 April |
| 30 April | "I Took a Pill in Ibiza" | Mike Posner |
| 7 May |
| 14 May | "Cheap Thrills" | Sia featuring Sean Paul |
| 21 May | "I Took a Pill in Ibiza" | Mike Posner |
| 28 May |
| 4 June | "This Girl" | Kungs vs. Cookin' on 3 Burners |
| 11 June |
| 18 June |
| 25 June |
| 2 July |
| 9 July |
| 16 July |
| 23 July |
| 30 July |
| 6 August | "Can't Stop the Feeling!" | Justin Timberlake |
| 13 August |
| 20 August |
| 27 August |
| 3 September | "This Girl" | Kungs vs. Cookin' on 3 Burners |
| 10 September |
| 17 September | "Beautiful Life" | Lost Frequencies featuring Sandro Cavazza |
| 24 September |
| 1 October | "Cold Water" | Major Lazer featuring Justin Bieber and MØ |
| 8 October | "Beautiful Life" | Lost Frequencies featuring Sandro Cavazza |
| 15 October | "Aloha" | Møme featuring Merryn Jeann |
| 22 October | "Lost on You" | LP |
| 29 October |
| 5 November |
| 12 November | "The Greatest" | Sia featuring Kendrick Lamar |
| 19 November |
| 26 November | "Human" | Rag'n'Bone Man |
| 3 December | "Starboy" | The Weeknd featuring Daft Punk |
| 10 December |
| 17 December | "Lost on You" | LP |
| 24 December | "Starboy" | The Weeknd featuring Daft Punk |
| 31 December | "Human" | Rag'n'Bone Man |
