2021 was a golden year for some of the best anime. We have got the list of Top 10 Most Watched Anime of 2021. Some of them made us laugh, and it made us even shed a few tears. But, here we are in 2022 reminiscing the good old days.

But, the interesting fact is that in the most viewed names of 2021- you’d hope the list to be filled with some new ones. In fact, we do see some new additions, but most of the crowns are held by the popular series that we have been following for the last couple of years. Without further ado, let’s get started.

Top 10 Most-Watched Anime of 2021

1. Demon Slayer

Number of views: 3.44 million as of Season 2

This did not come off as too much of a surprise. We are aware of the fan’s love for this anime. The Demon Slayer movie or Mugen Train holds some of the best box office records not just in Japan, but over the entire world.

Top 10 Most Watched Anime of 2021

Season 2 was announced in October 2021 as well. The hype was real, and without a doubt, we can see the huge and growing fanbase of Kimetsu no Yaiba. The story, the animation, the voice acting- everything is just on spot for this particular anime.

2. Jujutsu Kaisen

Number of views: 601k as of Season 1

We have a new addition to the Top 10 Most-Watched Anime of 2021, and that is Jujutsu Kaisen. We got introduced to the whole new world of Jujutsu sorcery in 2021 only, and safe to say- the fanbase is growing immensely.

Top 10 Most Watched Anime of 2021

From the diligent main character, Itadori Yuuji to his ever so powerful teacher, Gojo Satoru- People is head over heels even for the villains of jujutsu Kaisen. The plot is so captivating along with the characters written to the best of the mangaka’s abilities. The last time we got a count- we noticed that over 55 million copies of jujutsu Kaisen has already been sold.

3. Attack on Titan

Number of views: 1.5 million as of Season 4 halfway

Do we really need to explain the popularity of this show to our audiences? It goes without saying that Attack on Titan is in the top 3 of our list of Top 10 Most Watched Anime of 2021. The diversity of this anime is beyond reach right now. Even though the anime has left us in tears- we cannot ever leave this.

Top 10 Most-Watched Anime of 2021

With the final season coming with the Winter 2022 Season. people were more inclined in finishing the series before they start with the new one. Attack on Titan sells more than 100 million copies all over the world as of now.

4. My Hero Academia

Number of views: 4-8 million worldwide overall the years of airing

We are back with another very familiar name in the anime industry- My Hero Academia or Boku no Hero Academia. We have nothing to say about this particular show as even non-anime watchers are aware of it. My Hero Academia starts off with how Deku became the Number 1 Hero in Japan and continues with his journey.

The audience loves the easy way the anime tells the story and the fights and hurdles that come along with it. The fact that the weakest boy became the top hero- is a fact of inspiration for many. Season 5 which aired in 2021 got a huge response, and Season 6 has been declared as well.

5. Black Clover

Number of views: 481.5k as of 2021

Next in the list of Top 10 Most-Watched Anime of 2021 is another industry favorite name- Black Clover. Did you know Black Clover was the most-watched series in 2020? Yes, Crunchyroll announced the official news, and the same is seen in 2021 with Black Clover being in the top 5 of the most popular anime.

Top 10 Most-Watched Anime of 2021

The best part of Black Clover has got to be its relatable story. Much like Boku no Hero Academia, the MC Asta here goes from nothing to everything. He is shown as a boy with no skill but a good heart filled with courage and ambition. Follow Asta on a journey filled with adventure and magic as he tries to find his place in the world.

6. One-Punch Man

The number of views: We do not know the exact number, but we have an estimation of 7.9M overall.

Did you know One Punch Man has a 100 percent rating from Rotten Tomatoes? Such is its popularity around the globe. The best part about this theme is that the protagonist- Saitama is just overpowered. The guy is pretty much unbeatable and can take anyone down with a single punch.

Fans love watching the show for the humor elements and the excellent fight scenes.

7. Tokyo Revengers

Number of views: 352K as of Season 1

Another new name in our list of Top 10 Most-Watched Anime of 2021- Tokyo Revengers has won many hearts. The plot twists in this anime are just out of the world. No matter which age group you belong to- Tokyo Revengers is bound to make you sit down and finish it.

After the success of the anime, fans are more interested to know how the story of Takemitchi and Mikey unveils. The manga sales have been intense too. No one thought that a time-traveling anime would gain this much attention.

8. Dr. Stone

Number of views: 791k overall

Dr. Stone has left its grace all over the world. In fact, Netflix Japan has confessed that it their one of the most-watched shows. Dr. Stone follows the story of a genius guy- Senku who has to revive the world once again.

Top 10 Most Watched Anime of 2021

All the science geeks love this show for its creative yet quirky episodes. It has even won the role of being one of the most-watched anime of the decade as well.

9. Haikyuu

Number of views: 991k as of 2020

The fans of Haikyuu have an excessive love for this sports anime which brings us here. A mighty contender in the list of Top 10 Most-Watched Anime of 2021, Haikyuu is a remarkable name in the industry.

An anime that feeds the wishes of sports lovers- Haikyuu is all about volleyball. More than Japan- the US and Canada love Haikyuu. It is a regular visitor of the top popular anime every year, and it is no surprise this year either.

10. The Rising of Shield Hero

Number of views: 759k as of Season 1

We do not have an isekai anime on our list by now, and that isekai happens to be The Rising of Shield Hero. Every year we get a handful of anime that features people traveling to different lands and getting their hands on some first-class adventure, but not a lot of them strike our attention.

Here The Rising of Shield Hero has gotten our attention very well, and Naofumi is beloved to all of us. We are even getting the next season soon, and people are seen catching up with the first season.

Honorary Mention in Top 10 Most Watched Anime of 2021

One Piece

Number of views: 5-6 million which is a rough overall estimate

Did you know One Piece has its name printed on the pages of the Guinness Book of World Records too? Yes, the record for “the most copies published for the same comic book series by a single author” goes to One Piece.

In such a situation, it is undoubtedly one of the most popular anime ever. There are some evergreen anime that ever lose their charm, and One Piece happens to be another one. The adventures of Monkey D. Luffy has no scenes of ending right now, and we don’t want the ending either.

This is all we have on the Top 10 Most-Watched Anime of 2021. Which ones will you be watching? Which ones have you watched? Let us know everything in the comment section. Follow us for more anime and manga-related content.

You might also like to read: Top 10 Anime like Shuumatsu no Harem.