These hits topped the Ultratop 50 in 2018.[1]
| Flanders | |||
|---|---|---|---|
| Issue date | Song | Artist | |
| 6 January | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) | |
| 13 January | |||
| 20 January | |||
| 27 January | |||
| 3 February | |||
| 10 February | "Crazy" | Lost Frequencies and Zonderling | |
| 17 February | |||
| 24 February | |||
| 3 March | |||
| 10 March | |||
| 17 March | "Zoutelande" | BLØF featuring Geike Arnaert | |
| 24 March | |||
| 31 March | |||
| 7 April | |||
| 14 April | |||
| 21 April | |||
| 28 April | "One Kiss" | Calvin Harris and Dua Lipa | |
| 5 May | |||
| 12 May | |||
| 19 May | |||
| 26 May | |||
| 2 June | |||
| 9 June | |||
| 16 June | |||
| 23 June | |||
| 30 June | |||
| 7 July | |||
| 14 July | |||
| 21 July | |||
| 28 July | "Ellie" | Regi featuring Jake Reese | |
| 4 August | |||
| 11 August | |||
| 18 August | |||
| 25 August | |||
| 1 September | |||
| 8 September | |||
| 15 September | "Shotgun" | George Ezra | |
| 22 September | |||
| 29 September | |||
| 6 October | |||
| 13 October | |||
| 20 October | |||
| 27 October | |||
| 3 November | "Be Alright" | Dean Lewis | |
| 10 November | "Shotgun" | George Ezra | |
| 17 November | "Promises" | Calvin Harris and Sam Smith | |
| 24 November | "Be Alright" | Dean Lewis | |
| 1 December | "Sweet but Psycho" | Ava Max | |
| 8 December | |||
| 15 December | |||
| 22 December | |||
| 29 December | |||
| Wallonia | |||
|---|---|---|---|
| Issue date | Song | Artist | |
| 6 January | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) | |
| 13 January | |||
| 20 January | |||
| 27 January | |||
| 3 February | |||
| 10 February | |||
| 17 February | "Hit Sale" | Therapie Taxi featuring Roméo Elvis | |
| 24 February | |||
| 3 March | |||
| 10 March | "Crazy" | Lost Frequencies and Zonderling | |
| 17 March | "Hit Sale" | Therapie Taxi featuring Roméo Elvis | |
| 24 March | |||
| 31 March | "Crazy" | Lost Frequencies and Zonderling | |
| 7 April | "La même" | Maître Gims featuring Vianney | |
| 14 April | |||
| 21 April | |||
| 28 April | |||
| 5 May | |||
| 12 May | |||
| 19 May | |||
| 26 May | |||
| 2 June | |||
| 9 June | |||
| 16 June | |||
| 23 June | "Smog" | Damso | |
| 30 June | "One Kiss" | Calvin Harris and Dua Lipa | |
| 7 July | |||
| 14 July | |||
| 21 July | |||
| 28 July | |||
| 4 August | |||
| 11 August | |||
| 18 August | |||
| 25 August | |||
| 1 September | "Solo" | Clean Bandit featuring Demi Lovato | |
| 8 September | |||
| 15 September | |||
| 22 September | |||
| 29 September | "In My Mind" | Dynoro and Gigi D'Agostino | |
| 6 October | |||
| 13 October | |||
| 20 October | |||
| 27 October | |||
| 3 November | |||
| 10 November | |||
| 17 November | |||
| 24 November | "Rêves bizarres" | Orelsan featuring Damso | |
| 1 December | "In My Mind" | Dynoro and Gigi D'Agostino | |
| 8 December | |||
| 15 December | |||
| 22 December | "Tout oublier" | Angèle featuring Roméo Elvis | |
| 29 December | |||
| Position | Artist | Weeks #1 | +Flanders Ranking of most weeks at number 1 |
|---|---|---|---|
| 1 | 14 | ||
| 2 | 13 | ||
| 3 | 8 | ||
| 4 | 7 | ||
| 4 | 7 | ||
| 5 | 6 | ||
| 5 | 6 | ||
| 6 | 5 | ||
| 6 | 5 | ||
| 6 | 5 | ||
| 6 | 5 | ||
| 6 | 5 | ||
| 6 | 5 | ||
| 7 | 2 | ||
| 8 | 1 |
| Position | Artist | Weeks #1 | +Wallonia Ranking of most weeks at number 1 |
|---|---|---|---|
| 1 | 11 | ||
| 1 | 11 | ||
| 1 | 11 | ||
| 1 | 11 | ||
| 2 | 9 | ||
| 2 | 9 | ||
| 3 | 6 | ||
| 3 | 6 | ||
| 3 | 6 | ||
| 3 | 6 | ||
| 4 | Therapie Taxi | 5 | |
| 5 | 4 | ||
| 5 | 4 | ||
| 6 | 2 | ||
| 6 | 2 | ||
| 6 | 2 | ||
| 6 | 2 | ||
| 7 | 1 |