K-pop is a billion-dollar industry, and it hasn't stopped there, continuously growing to greater heights. There is a large influx of fans worldwide, leading to more revenue being generated. This has resulted in more companies putting in a stake by debuting their own artists in hopes of cashing in.K-pop groups at the top of the industry make money by securing deals and endorsements left and right. But which are the highest-earning K-pop groups in 2021? Find out below.Richest K-pop group in 20211) TVXQ ($30 million)TVXQ is estimated to have a net worth of $30 million in 2021, making them the fifth most affluent K-pop group on this list. While they previously started as a five-member group, they are currently comprised of two idols. View this post on Instagram A post shared by 동방신기(TVXQ!) Official (@tvxq.official)TVXQ is one of, if not the most, popular K-pop groups in Japan. They are one of the most successful foreign acts in Japan, breaking numerous records for their achievements in the country.In 2013, TVXQ's Japan tour was one of the highest-grossing tours of that year. They achieved even higher numbers with their 2017 tour.The band promoted products for brands like Samsung, Lacoste, and Nike. TVXQ was also described as "K-pop royalty" by Billboard.2) TWICE ($35 million)With a net worth approximated at $35 million, TWICE is the fourth wealthiest K-pop artist. They are a nine-member K-pop girl group under JYP Entertainment.#AlcoholFree4thWin🏆🏆🏆🏆오늘도 고마워요 원스❤️Thank you for another win ONCE❤️📌Listen <Taste of Love> HERE👇✨https://t.co/8tejIho6b6#TWICE #트와이스#Taste_of_Love#AlcoholFree #알콜프리 pic.twitter.com/eQwYFPpsG0— TWICE (@JYPETWICE) June 27, 2021TWICE has been dubbed the "Nation's Girl Group," owing to the virality and popularity of their discography. In 2020, it was estimated that they had sold a collective of over 10 million albums in both South Korea and Japan and were listed on Forbes' "30 Under 30" list that same year.TWICE has been credited for the rise in JYP's stock price from 2015 to 2018.3) BLACKPINK ($60 million)BLACKPINK's current net worth is estimated to be around $60 million. They are a four-member K-pop group under YG Entertainment, home to acts such as BigBang, WINNER, and iKon. View this post on Instagram A post shared by BLΛƆKPIИK (@blackpinkofficial)Forbes has collectively referred to members of BLACKPINK as "one of the most powerful celebrities in South Korea." Along with their brand value as a group, the group members are highly in demand and possess a high net worth individually as well.The members are ambassadors and endorsement models for various reputed brands, both as a group and in their solo careers. BLACKPINK has collaborated with names such as Adidas, Vogue, Kia Motors, Samsung, and Louis Vuitton.2) EXO ($100 million)EXO's net worth has been calculated to be around the $100 million to $130 million range. They are a nine-member K-pop boy group signed to SM Entertainment. View this post on Instagram A post shared by EXO_CY (@real__pcy)Each of EXO's members is estimated to have a net worth of around $8 million to $12 million. Along with their idol duties, each member is involved in various activities and projects, including acting and solo music releases.EXO's best-selling album, "Don't Mess Up My Tempo," reportedly sold well over 1.9 million copies. They've held many world tours and are highly regarded for their contribution to SM Entertainment's financial success.During the 4th financial quarter of 2018, SM reportedly made $188 million, with EXO having generated 31% of that amount.1) BTS ($150 million)The net worth of K-pop boy band BTS is estimated at over $150 million. They are currently under Big Hit Music, a subsidiary of HYBE Corporation.[#오늘의방탄] just miss ya'll sooooooooo much💜#BTS #방탄소년단 #BTSARMY #Got_ARMY_Behind_Us #PermissiontoDance #BTSLiveLounge #아ㅁ1들의사랑에빌보드핫100차트1위는9주연속방탄노래로7ㅏ득해 #바통ㅌ7ㅊ1에ㅇ1ㅇ7다ㅅ1바통ㅌ7ㅊ1완료 #1더하기7은올해8주년핫100차트1위14번한7ㅏ수BTS pic.twitter.com/Z2IAJOlh4T— BTS_official (@bts_bighit) July 27, 2021While the solo activities of BTS' members are lesser compared to other groups, they are still regarded as the richest K-pop group of 2021 owing to their contribution towards the success of their label and the South Korean economy.As reported by the Hyundai Research Institute in 2018, BTS brings in around $3.5 billion of economic worth to South Korea in a single year. This number supposedly increases by $1.2 billion per annum.They are also credited with being one of the main reasons for the growth in music sales worldwide in 2018, which hit a total of $19 billion.