The Hallyu wave took over the world in 2021 and, it was to date K-pop's most successful year.

During the year, multiple K-pop artists receive immense recognition and critical acclaim worldwide. It won't be far-fetched to say that 2021 has been the best year for K-pop.

Many k-pop bands broke records with album sales, despite the limitations in concerts and tours. The K-pop act also had massive support from their respective fandoms who played an important role in helping the bands have substantial album sales.

The year was also great for some K-pop acts more than the others, here is a look at 2021's top 30 cumulative K-pop act album sales.

1st NCT

Sales - 10.8 million

Group Debut - 2016

2nd BTS

Sales - 8.53

Group Debut - 2013

3rd Seventeen

Sales - 4.39 million

Group Debut - 2015

4th EXO

Sales - 3.21 million

Group Debut - 2012

5th Stray Kids

Sales - 2.70 million

Group Debut - 2018

6th ENHYPEN

Sales - 2.44 million

Group Debut - 2020

7th TXT

Sales - 2.36 million

Group Debut - 2019

8th ATEEZ

Sales - 1.88 million

Group Debut - 2018

9th TWICE

Sales - 1.83 million

Group Debut - 2015

10th BLACKPINK

Sales - 1.74 million

Group Debut - 2016

11th The Boyz

Sales - 1.45 million

Group Debut - 2017

12th ITZY

Sales - 955,345

Group Debut - 2019

13th MONSTA X

Sales - 900,774

Group Debut - 2015

14th Super Junior

Sales - 858,633

Group Debut - 2005

15th SHINee

Sales - 817,800

Group Debut - 2008

16th Red Velvet

Sales - 744,843

Group Debut - 2014

17th ASTRO

Sales - 727,334

Group Debut - 2016

18th Aespa

Sales - 574,445

Group Debut - 2020

19th IU

Sales - 434,141

Debut - 2008

20th TREASURE

Sales - 429,157

Group Debut - 2020

21st SF9

Sales - 412,533

Group Debut - 2016

22nd ONEUS

Sales - 396,337

Group Debut - 2019

23rd ONF

Sales - 392,352

Group Debut - 2017

24th Cravity

Sales - 357,802

Group Debut - 2020

25th MAMAMOO

Sales - 356,910

Group Debut - 2014

26th Kang Daniel

Sales - 320,129

Debut - 2019

27th Golden Child

Sales - 304,402

Group Debut - 2017

28th STAYC

Sales - 291,300

Group Debut - 2020

29th IVE

Sales - 268,396

Group Debut - 2021

30th AB6IX

Sales - 266,399

Group Debut - 2019

Each group's album count also includes the album sales from the solo promotions and unit groups. The album count combines the Oricon chart and Gaon chart numbers.

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