Twitter has shared its best of 2021 list: 2021 #OnlyOnTwitter, from the most liked to the most retweeted, here’s what you need to know about what was popular on the platform in 2021.
2021 #OnlyOnTwitter: Find out best tweets of the year
During the famous Facebook outage, when services like Instagram, WhatsApp and Messenger went out for more than 6 hours, people rushed into Twitter and the platform posted a tweet saying “Hello literally everyone.” It was one of the biggest hits of 2021.
The most retweeted tweet was from famous South Korean music band, BTS, they made a powerful statement in support of racial tolerance and equality on Twitter and their fans spread the word.
2021 #OnlyOnTwitter list includes the most tweeted about too:
- Black Panther
- Godzilla vs Kong
- Zack Snyder’s Justice League
- The Suicide Squad (2021)
- Spider-Man: No Way Home
- Space Jam: A New Legacy
- Black Widow
- Dune (2021)
- Mortal Kombat (2021)
- Shrek
The most tweeted TV shows have varied depending on the region.

In the United States the most tweeted TV shows were:
- Squid Game
- WandaVision
- Sesame Street
- Saturday Night Live
- Game of Thrones
- Jeopardy!
- Grey’s Anatomy
- The Simpsons
- Loki
- The Walking Dead
Game of Thrones has become a pop culture phenomenon. Even though the series ended, people are still talking about this fantastic work.
The platform also shared most discussed sports teams and events worldwide and of course, the most popular emojis:
Best memes of 2021
The social media platform Twitter continues to grow worldwide. It’s clear that the service is gaining in popularity, with new countries using it to communicate and share ideas. More countries are becoming active users of Twitter, meaning more expansive conversations are being revealed by the service. If you want to check the full 2021 #OnlyOnTwitter list, click here.








