# List of number-one digital tracks of 2018 (Australia)

The ARIA Digital Track Chart is a chart that ranks the best-performing digital tracks singles of Australia. It is published by Australian Recording Industry Association (ARIA), an organisation who collect music data for the weekly ARIA Charts. To be eligible to appear on the chart, the recording must be a single not an EP and only paid downloads counted from downloadable outlets.

## Chart history

Key :
| † | Indicates number-one digital single of 2018 |
| Issue date | Song | Artist(s) |
| 1 January | "Havana" | Camila Cabello featuring Young Thug |
| 8 January | "Havana" | Camila Cabello featuring Young Thug |
| 15 January | "Meant To Be" | Bebe Rexha featuring Florida Georgia Line |
| 22 January | "Meant To Be" | Bebe Rexha featuring Florida Georgia Line |
| 29 January | "Meant To Be" | Bebe Rexha featuring Florida Georgia Line |
| 5 February | "Meant To Be" | Bebe Rexha featuring Florida Georgia Line |
| 12 February | "These Days" | Rudimental featuring Jess Glynne, Macklemore and Dan Caplen |
| 19 February | "These Days" | Rudimental featuring Jess Glynne, Macklemore and Dan Caplen |
| 26 February | "Meant to Be" | Bebe Rexha featuring Florida Georgia Line |
| 5 March | "Psycho" | Post Malone featuring Ty Dolla Sign |
| 12 March | "Meant to Be" | Bebe Rexha featuring Florida Georgia Line |
| 19 March | "These Days" | Rudimental featuring Jess Glynne, Macklemore and Dan Caplen |
| 26 March | "These Days" | Rudimental featuring Jess Glynne, Macklemore and Dan Caplen |
| 2 April | "In My Blood" | Shawn Mendes |
| 9 April | "Friends" | Marshmello and Anne-Marie |
| 16 April | "Zombie" | Bad Wolves |
| 23 April | "Zombie" | Bad Wolves |
| 30 April | "No Tears Left to Cry" | Ariana Grande |
| 7 May | "One Kiss" | Calvin Harris and Dua Lipa |
| 14 May | "I Said Hi" | Amy Shark |
| 21 May | "Youngblood"† | 5 Seconds of Summer |
| 28 May | "Youngblood"† | 5 Seconds of Summer |
| 4 June | "Youngblood"† | 5 Seconds of Summer |
| 11 June | "Youngblood"† | 5 Seconds of Summer |
| 18 June | "Youngblood"† | 5 Seconds of Summer |
| 25 June | "Youngblood"† | 5 Seconds of Summer |
| 2 July | "Youngblood"† | 5 Seconds of Summer |
| 9 July | "Youngblood"† | 5 Seconds of Summer |
| 16 July | "Youngblood"† | 5 Seconds of Summer |
| 23 July | "In My Feelings" | Drake |
| 30 July | "In My Feelings" | Drake |
| 6 August | "Be Alright" | Dean Lewis |
| 13 August | "Be Alright" | Dean Lewis |
| 20 August | "Be Alright" | Dean Lewis |
| 27 August | "Be Alright" | Dean Lewis |
| 3 September | "Be Alright" | Dean Lewis |
| 10 September | "Shotgun" | George Ezra |
| 17 September | "Shotgun" | George Ezra |
| 24 September | "Shotgun" | George Ezra |
| 1 October | "Shotgun" | George Ezra |
| 8 October | "Shotgun" | George Ezra |
| 15 October | "Shotgun" | George Ezra |
| 22 October | "Shotgun" | George Ezra |
| 29 October | "Shallow" | Lady Gaga and Bradley Cooper |
| 5 November | "Shallow" | Lady Gaga and Bradley Cooper |
| 12 November | "Shallow" | Lady Gaga and Bradley Cooper |
| 19 November | "Shallow" | Lady Gaga and Bradley Cooper |
| 26 November | "Shallow" | Lady Gaga and Bradley Cooper |
| 3 December | "Shallow" | Lady Gaga and Bradley Cooper |
| 10 December | "Shallow" | Lady Gaga and Bradley Cooper |
| 17 December | "Shallow" | Lady Gaga and Bradley Cooper |
| 24 December | "Shotgun" | George Ezra |
| 31 December | "Shotgun" | George Ezra |

## Number-one artists

| Position | Artist | Weeks at No. 1 |
| 1 | 5 Seconds of Summer | 9 |
| 1 | George Ezra | 9 |
| 2 | Lady Gaga | 8 |
| 2 | Bradley Cooper | 8 |
| 3 | Bebe Rexha | 6 |
| 3 | Florida Georgia Line (as featuring) | 6 |
| 4 | Dean Lewis | 5 |
| 5 | Rudimental | 4 |
| 5 | Macklemore (as featuring) | 4 |
| 5 | Jess Glynne (as featuring) | 4 |
| 5 | Dan Caplen (as featuring) | 4 |
| 6 | Camila Cabello | 2 |
| 6 | Young Thug (as featuring) | 2 |
| 6 | Bad Wolves | 2 |
| 6 | Drake | 2 |
| 7 | Post Malone | 1 |
| 7 | Ty Dolla Sign (as featuring) | 1 |
| 7 | Shawn Mendes | 1 |
| 7 | Marshmello | 1 |
| 7 | Anne-Marie | 1 |
| 7 | Ariana Grande | 1 |
| 7 | Calvin Harris | 1 |
| 7 | Dua Lipa | 1 |
| 7 | Amy Shark | 1 |