# List of Billboard Digital Song Sales number ones of 2019

The Billboard Digital Song Sales chart is a chart that ranks the most downloaded songs in the United States. Its data is compiled by Nielsen SoundScan based on each song's weekly digital sales, which combines sales of different versions of a song by an act for a summarized figure.

## Chart history

Key :
| † | Indicates best-charting digital song of 2019 |
| Issue date | Song | Artist(s) | Weekly sales |
| January 5 | "Without Me" | Halsey | 47,000 |
| January 12 | "Sunflower" | Post Malone and Swae Lee | 40,000 |
| January 19 | "Sunflower" | Post Malone and Swae Lee | 48,000 |
| January 26 | "Sunflower" | Post Malone and Swae Lee | 41,000 |
| February 2 | "7 Rings" | Ariana Grande | 96,000 |
| February 9 | "7 Rings" | Ariana Grande | 39,000 |
| February 16 | "7 Rings" | Ariana Grande | 42,000 |
| February 23 | "Shallow” | Lady Gaga and Bradley Cooper | |
| March 2 | "Please Me" | Cardi B and Bruno Mars | 51,000 |
| March 9 | "Shallow" | Lady Gaga and Bradley Cooper | 115,000 |
| March 16 | "Sucker" | Jonas Brothers | 88,000 |
| March 23 | "Shallow" | Lady Gaga and Bradley Cooper | 34,000 |
| March 30 | "Shallow" | Lady Gaga and Bradley Cooper | 32,000 |
| April 6 | "Shallow" | Lady Gaga and Bradley Cooper | 28,000 |
| April 13 | "God's Country" | Blake Shelton | 32,000 |
| April 20 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 124,000 |
| April 27 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 91,000 |
| May 4 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 89,000 |
| May 11 | "Me!" | Taylor Swift featuring Brendon Urie | 193,000 |
| May 18 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 78,000 |
| May 25 | "I Don't Care" | Ed Sheeran and Justin Bieber | 77,000 |
| June 1 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 76,000 |
| June 8 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 81,000 |
| June 15 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 87,000 |
| June 22 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 71,000 |
| June 29 | "You Need to Calm Down" | Taylor Swift | 79,000 |
| July 6 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 59,000 |
| July 13 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 57,000 |
| July 20 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 43,000 |
| July 27 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 45,000 |
| August 3 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 46,000 |
| August 10 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 47,000 |
| August 17 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 34,000 |
| August 24 | "Old Town Road" † | Lil Nas X featuring Billy Ray Cyrus | 26,000 |
| August 31 | "Lover" | Taylor Swift | 35,000 |
| September 7 | "Truth Hurts" | Lizzo | 53,000 |
| September 14 | "Truth Hurts" | Lizzo | 38,000 |
| September 21 | "Truth Hurts" | Lizzo | 31,000 |
| September 28 | "Truth Hurts" | Lizzo | 27,000 |
| October 5 | "Memories" | Maroon 5 | 27,000 |
| October 12 | "Truth Hurts" | Lizzo | 30,000 |
| October 19 | "10,000 Hours" | Dan + Shay and Justin Bieber | 53,000 |
| October 26 | "Memories" | Maroon 5 | 21,000 |
| November 2 | "Lose You to Love Me" | Selena Gomez | 36,000 |
| November 9 | "Lose You to Love Me" | Selena Gomez | 39,000 |
| November 16 | "For My Daughter" | Kane Brown | 20,000 |
| November 23 | "Lover" | Taylor Swift | 20,000 |
| November 30 | "Lover" | Taylor Swift | 20,000 |
| December 7 | "Circles" | Post Malone | 20,000 |
| December 14 | "Heartless" | The Weeknd | 58,000 |
| December 21 | "All I Want for Christmas Is You" | Mariah Carey | 27,000 |
| December 28 | "Nobody but You" | Blake Shelton and Gwen Stefani | 30,000 |