English group Glass Animals has struck a cord with Australians, as “Heat Waves” was the most popular song of 2021 in the land down under. “Stay”, the collaboration of Austrian rapper The Kid Laroi and Canada’s Justin Bieber settles for #2. “Drivers License” from the USA’s Olivia Rodrigo finished the year in 3rd spot.
| TITLE | ARTIST | |
| 1 | Heat Waves | Glass Animals |
| 2 | Stay | The Kid Laroi & Justin Bieber |
| 3 | Drivers License | Olivia Rodrigo |
| 4 | WITHOUT YOU | The Kid Laroi with Miley Cyrus |
| 5 | Levitating | Dua Lipa |
| 6 | Good 4 U | Olivia Rodrigo |
| 7 | Bad Habits | Ed Sheeran |
| 8 | Save Your Tears | The Weeknd |
| 9 | Kiss Me More | Doja Cat |
| 10 | The Business | Tiësto |
| 11 | Montero | Lil Nas X |
| 12 | Astronaut In The Ocean | Masked Wolf |
| 13 | Cold Heart (PNAU Remix) | Elton John & Dua Lipa |
| 14 | Peaches | Justin Bieber |
| 15 | Mood | 24kGoldn |
| 16 | Blinding Lights | The Weeknd |
| 17 | Goosebumps (Remix) | Travis Scott & HVME |
| 18 | Cover Me In Sunshine | P!nk + Willow Sage Hart |
| 19 | Friday | Riton x Nightcrawlers |
| 20 | Head & Heart | Joel Corry & MNEK |
| 21 | Beggin | Maneskin |
| 22 | Dreams | Fleetwood Mac |
| 23 | Industry Baby | Lil Nas X & Jack Harlow |
| 24 | Fly Away | Tones and I |
| 25 | Body | Russ Millions & Tion Wayne |
| 26 | Deja Vu | Olivia Rodrigo |
| 27 | You Broke Me First | Tate McRae |
| 28 | So Done | The Kid Laroi |
| 29 | Someone You Loved | Lewis Capaldi |
| 30 | Anyone | Justin Bieber |
| 31 | Watermelon Sugar | Harry Styles |
| 32 | Shivers | Ed Sheeran |
| 33 | Easy On Me | Adele |
| 34 | Streets | Doja Cat |
| 35 | Your Love (9PM) | ATB |
| 36 | Good Days | SZA |
| 37 | Dance Monkey | Tones and I |
| 38 | Calling My Phone | Lil Tjay & 6lack |
| 39 | Happier Than Ever | Billie Eilish |
| 40 | Leave The Door Open | Silk Sonic |
| 41 | Rapstar | Polo G |
| 42 | Traitor | Olivia Rodrigo |
| 43 | Missing Piece | Vance Joy |
| 44 | Hold On | Justin Bieber |
| 45 | Don’t Start Now | Dua Lipa |
| 46 | Up | Cardi B |
| 47 | BED | Joel Corry, RAYE & David Guetta |
| 48 | Paradise | Meduza |
| 49 | WAP | Cardi B |
| 50 | Lemonade | Internet Money & Gunna |
| 51 | Mr Brightside | The Killers |
| 52 | Perfect | Ed Sheeran |
| 53 | 34+35 | Ariana Grande |
| 54 | Heartbreak Anniversary | Giveon |
| 55 | Positions | Ariana Grande |
| 56 | Roses | SAINt JHN |
| 57 | Need To Know | Doja Cat |
| 58 | Holy | Justin Bieber |
| 59 | Little Bit of Love | Tom Grennan |
| 60 | Lasting Lover | Sigala & James Arthur |
| 61 | What You Know Bout Love | Pop Smoke |
| 62 | Booster Seat | Spacey Jane |
| 63 | Afterglow | Ed Sheeran |
| 64 | ROCKSTAR | DaBaby |
| 65 | My Head & My Heart | Ava Max |
| 66 | Circles | Post Malone |
| 67 | Sunflower | Post Malone & Swae Lee |
| 68 | Willow | Taylor Swift |
| 69 | Shallow | Lady Gaga & Bradley Cooper |
| 70 | Martin & Gina | Polo G |
| 71 | Before You Go | Lewis Capaldi |
| 72 | Whoopty | CJ |
| 73 | Say You Won’t Let Go | James Arthur |
| 74 | Therefore I Am | Billie Eilish |
| 75 | One Too Many | Keith Urban & P!nk |
| 76 | Savage Love | Jawsh 685 x Jason Derulo |
| 77 | This City | Sam Fischer |
| 78 | Dreams | Jolyon Petch |
| 79 | Dynamite | BTS |
| 80 | Be Alright | Dean Lewis |
| 81 | Youngblood | 5 Seconds Of Summer |
| 82 | Rasputin | Majestic vs. Boney M |
| 83 | We’re Good | Dua Lipa |
| 84 | July | Noah Cyrus |
| 85 | Leave Before You Love Me | Marshmello & Jonas Brothers |
| 86 | Best Friend | Saweetie |
| 87 | Send It! | Hooligan Hefs |
| 88 | 2055 | Sleepy Hallow |
| 89 | No Role Modelz | J. Cole |
| 90 | Ride It | Regard |
| 91 | Shape Of You | Ed Sheeran |
| 92 | Bad Guy | Billie Eilish |
| 93 | Love Songs Ain’t for Us | Amy Shark |
| 94 | Midnight Sky | Miley Cyrus |
| 95 | Whats Poppin | Jack Harlow |
| 96 | Take You Dancing | Jason Derulo |
| 97 | my ex’s best friend | Machine Gun Kelly, blackbear |
| 98 | Memories | Maroon 5 |
| 99 | Breaking Me | Topic |
| 100 | Dancing On My Own | Calum Scott |
International Music Blog 
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