These hits topped the Ultratop 50 in 2020.[1]
| Flanders | |||
|---|---|---|---|
| Issue date | Song | Artist | |
| 4 January | "Dance Monkey" | Tones and I | |
| 11 January | |||
| 18 January | |||
| 25 January | "Blinding Lights" | The Weeknd | |
| 1 February | |||
| 8 February | |||
| 15 February | |||
| 22 February | |||
| 29 February | |||
| 7 March | |||
| 14 March | |||
| 21 March | |||
| 28 March | |||
| 4 April | |||
| 11 April | |||
| 18 April | |||
| 25 April | |||
| 2 May | "Kom wat dichterbij" | Regi featuring Jake Reese and OT | |
| 9 May | |||
| 16 May | "Blinding Lights" | The Weeknd | |
| 23 May | "Kom wat dichterbij" | Regi Penxten featuring Jake Reese and OT | |
| 30 May | "Blinding Lights" | The Weeknd | |
| 6 June | |||
| 13 June | "Kom wat dichterbij" | Regi Penxten featuring Jake Reese and OT | |
| 20 June | |||
| 27 June | |||
| 4 July | |||
| 11 July | |||
| 18 July | |||
| 25 July | "Savage Love (Laxed – Siren Beat)" | Jawsh 685 and Jason Derulo | |
| 1 August | |||
| 8 August | |||
| 15 August | |||
| 22 August | "Jerusalema (Remix)" | Master KG featuring Burna Boy and Nomcebo Zikode | |
| 29 August | |||
| 5 September | |||
| 12 September | |||
| 19 September | |||
| 26 September | |||
| 3 October | |||
| 10 October | |||
| 17 October | |||
| 24 October | |||
| 31 October | "Head & Heart" | Joel Corry featuring MNEK | |
| 7 November | |||
| 14 November | "Fever" | Dua Lipa and Angèle | |
| 21 November | |||
| 28 November | "Head & Heart" | Joel Corry featuring MNEK | |
| 5 December | "Fever" | Dua Lipa and Angèle | |
| 12 December | |||
| 19 December | |||
| 26 December | |||
| Wallonia | |||
|---|---|---|---|
| Issue date | Song | Artist | |
| 4 January | "Dance Monkey" | Tones and I | |
| 11 January | |||
| 18 January | |||
| 25 January | |||
| 1 February | "Blinding Lights" | The Weeknd | |
| 8 February | |||
| 15 February | |||
| 22 February | |||
| 29 February | |||
| 7 March | |||
| 14 March | |||
| 21 March | "Lettre à une femme" | Ninho | |
| 28 March | "Blinding Lights" | The Weeknd | |
| 4 April | |||
| 11 April | |||
| 18 April | |||
| 25 April | |||
| 2 May | "Roses (Imanbek Remix)" | Saint Jhn | |
| 9 May | |||
| 16 May | |||
| 23 May | "Some Say" | Nea | |
| 30 May | |||
| 6 June | "Breaking Me" | Topic featuring A7S | |
| 13 June | |||
| 20 June | "Djomb" | Bosh | |
| 27 June | |||
| 4 July | |||
| 11 July | "In Your Eyes" | The Weeknd | |
| 18 July | |||
| 25 July | |||
| 1 August | |||
| 8 August | |||
| 15 August | "Mamacita" | Black Eyed Peas, Ozuna and J Rey Soul | |
| 22 August | "Jerusalema (Remix)" | Master KG featuring Burna Boy and Nomcebo Zikode | |
| 29 August | |||
| 5 September | |||
| 12 September | |||
| 19 September | |||
| 26 September | "BXL Zoo" | Damso featuring Hamza | |
| 3 October | "Jerusalema (Remix)" | Master KG featuring Burna Boy and Nomcebo Zikode | |
| 10 October | |||
| 17 October | |||
| 24 October | |||
| 31 October | |||
| 7 November | "Fever" | Dua Lipa and Angèle | |
| 14 November | |||
| 21 November | |||
| 28 November | |||
| 5 December | |||
| 12 December | |||
| 19 December | |||
| 26 December | |||
| Position | Artist | Weeks #1 | +Flanders Ranking of most weeks at number 1 | 1 | 17 | |
|---|---|---|---|---|---|---|
| 2 | 10 | |||||
| 2 | 10 | |||||
| 2 | 10 | |||||
| 3 | 9 | |||||
| 3 | 9 | |||||
| 3 | OT | 9 | ||||
| 4 | 6 | |||||
| 4 | 6 | |||||
| 5 | 4 | |||||
| 5 | 4 | |||||
| 6 | 3 | |||||
| 6 | 3 | |||||
| 6 | 3 |
| Position | Artist | Weeks #1 | +Wallonia Ranking of most weeks at number 1 | 1 | 17 | |
|---|---|---|---|---|---|---|
| 2 | 10 | |||||
| 2 | 10 | |||||
| 2 | 10 | |||||
| 3 | 8 | |||||
| 3 | 8 | |||||
| 4 | 4 | |||||
| 5 | 3 | |||||
| 5 | 3 | |||||
| 6 | 2 | |||||
| 6 | 2 | |||||
| 6 | 2 | |||||
| 7 | 1 | |||||
| 7 | 1 | |||||
| 7 | 1 | |||||
| 7 | 1 | |||||
| 7 | 1 | |||||
| 7 | 1 |