Here are WSTW’s Biggest Hits of 2021:
| 1 | DUA LIPA | Levitating |
| 2 | 24KGOLDN | Mood f/Iann Dior |
| 3 | THE WEEKND | Save Your Tears |
| 4 | OLIVIA RODRIGO | drivers license |
| 5 | TAYLOR SWIFT | willow |
| 6 | ED SHEERAN | Bad Habits |
| 7 | THE KID LAROI | Without You with Miley Cyrus |
| 8 | OLIVIA RODRIGO | good 4 u |
| 9 | MARSHMELLO F/JONAS BROTHERS | Leave Before You Love Me |
| 10 | MAROON 5 | Beautiful Mistakes |
| 11 | TATE MCRAE | You Broke Me First |
| 12 | MACHINE GUN KELLY | My Ex’s Best Friend |
| 13 | THE KID LAROI & JUSTIN BIEBER | Stay |
| 14 | ARIANA GRANDE | positions |
| 15 | OLIVIA RODRIGO | deja vu |
| 16 | DUNCAN LAURENCE | Arcade |
| 17 | RITT MOMNEY | Put Your Records On |
| 18 | JUSTIN BIEBER | Peaches |
| 19 | AJR | Way Less Sad |
| 20 | BILLIE EILISH | Therefore I Am |
| 21 | ED SHEERAN | Shivers |
| 22 | P!NK | All I Know So Far |
| 23 | DOJA CAT | Kiss Me More |
| 24 | BRUNO MARS/SILK SONIC | Leave The Door Open |
| 25 | DUA LIPA | Love Again |
| 26 | ADELE | Easy On Me |
| 27 | MANESKIN | Beggin |
| 28 | GLASS ANIMALS | Heat Waves |
| 29 | JUSTIN BIEBER | Anyone |
| 30 | HARRY STYLES | Golden |
| 31 | JUSTIN BIEBER & BENNY BLANCO | Lonely |
| 32 | ELTON JOHN & DUA LIPA | Cold Heart |
| 33 | WALKER HAYES | Fancy Like |
| 34 | ED SHEERAN | Afterglow |
| 35 | IMAGINE DRAGONS | Follow You |
| 36 | THE WEEKND | Take My Breath |
| 37 | COLDPLAY X BTS | My Universe |
| 38 | JUSTIN BIEBER | Ghost |
| 39 | BIG RED MACHINE | Renegade f/Taylor Swift |
| 40 | TWENTY ONE PILOTS | Saturday |
