Ever since humans mastered the art of recording music performances, singles have become incredibly important. Since music has become part and parcel of our daily lives, acquiring it has been easened with digital sales and streams. Out of the concert hall and the broadcast studio, people are able to acquire music to their taste at their convenience. This list is based on total certified units sold. The requirements of certified units are designed to avoid inflated sales figures, which are frequently practiced by record companies for promotional purposes.
Here are top 20 best-selling singles in history.
| Rank | Single title | Artist | Certified units |
| 1. | All of Me | John Legend | 13 million |
| 2. | Old Town Road (Feat. Billy Ray Cyrus) | Lil Nas X | 13 million |
| 3. | Despacito | Luis Fonsi & Daddy Yankee | 13 million |
| 4. | Just the Way You Are | Bruno Mars | 12 million |
| 5. | Thinking Out Loud | Ed Sheeran | 12 million |
| 6. | Love the Way You Lie (Feat. Rihanna) | Eminem | 12 million |
| 7. | Baby (Feat. Ludacris) | Justin Bieber | 12 million |
| 8. | Firework | Katy Perry | 12 million |
| 9. | Closer | The Chainsmokers | 12 million |
| 10. | God’s Plan | Drake | 11 million |
| 11. | Candle in The Wind 1997/Something You Look Tonight | Elton John | 11 million |
| 12. | Cruise | Florida Georgia Line | 11 million |
| 13. | Dark Horse | Katy Perry | 11 million |
| 14. | Bad Romance | Lady Gaga | 11 million |
| 15. | Uptown Funk Feat. Bruno Mars | Mark Ronson | 11 million |
| 16. | Happy | PHARRELL WILLIAMS | 11 million |
| 17. | Baby Shark | Pinkfong | 11 million |
| 18. | The Hills | The Weeknd | 11 million |
| 19. | See You Again (Feat Charlie Puth) | Wiz Khalifa | 11 million |
| 20. | Meant to Be (Feat. Florida Georgia Line) | Bebe Rexha | 10.5 million |
