K-pop is a notoriously difficult genre to rank, and it's not easy to say which group has the most fans. But we'll try! This list is based on the number of Facebook likes and Twitter followers, and we've also included YouTube views and Instagram followers.
EXO
EXO is a South Korean-Chinese boy group formed by S.M. Entertainment in 2011. The group debuted in 2012 with twelve members, separated into two subgroups, EXO-K and EXO-M, performing music in Korean and Mandarin respectively. In December 2013, they received the award for Best Male Group at the 2013 Mnet Asian Music Awards. In 2014, "Overdose" was released as a repackaged version of their second studio album "EXODUS", which became the first Korean album to chart on the Billboard 200. In 2015, they won the award for Best Male Group at the 2015 Mnet Asian Music Awards.
BTS
They are the most popular kpop group in the world. They have over 10 million followers on Twitter, and their music videos have been viewed more than 1 billion times. They are the first Korean group to enter the Billboard 200 charts, and they are the first Korean group to win a Billboard award.
GOT7
The group has over ten million followers on Instagram, over nine million followers on Twitter, and over five million likes on their Facebook page. They are the only Korean boy band to have all seven members be part of the group since its debut. They are also the first Korean male idol group to rank number one on Billboard's Social 50 Chart.
NCT
NCT is a South Korean boy group that is under the SM Entertainment label. The group was originally a sub-unit of the popular K-pop boy band EXO, but became a separate group in 2016 with their own promotions. NCT stands for Neo Culture Technology, which is a term coined by SM Entertainment to describe an envisioned culture of various young people from all over the world.
Blackpink
Blackpink is the newest girl group to come out of South Korea. They are also the first girl group to have their music video debut on YouTube's Vevo channel. Blackpink has taken over the world, with fans in America, Australia, and all over Europe. They're one of the most popular K-pop groups right now.
Astro
Astro is an eleven-member boy group under Fantagio. They debuted on May 18, 2016 with their single "Hide & Seek." Astro has the most fans, with over 1.5 million followers on Instagram. They are followed by BTS, who has 1.4 million followers.
Stray kids
In the world of K-pop, there is a lot of debate about which group is the most popular. Some people say that BTS has the most fans, while others say that EXO has the most fans. However, according to a report by Guinness World Records, Stray Kids is the K-pop group with the most fans. This group has a total of 2.4 million followers on Instagram and more than 1 million followers on Twitter.
Mamamoo
Mamamoo is the most popular girl group in South Korea. They have more than 2 million Facebook followers, 1.5 million Instagram followers, and 1.7 million Twitter followers.