1. (G)I-dle (여자)아이들)
(G)I-dle is the newest girl group under CUBE Entertainment, originally debuting with six members. However, following Soojin's departure, the group now consists of five members. Prior to joining, several members had already gained recognition and success in the music industry, building anticipation for their debut. As a result, fans eagerly awaited the group's official debut.
(G)I-dle made their debut with the mini album "I Am," and their debut track "Latata" became a massive hit, achieving great success and earning them the title of one of the most notable rookie groups of 2018.
The group's uniqueness lies in their exceptional talent and distinctive music. Their sound is often described as deep and innovative, with the members expressing complex emotions and challenging conventional expectations. Leader Soyeon contributes to the writing and production of every album, adding to their authenticity. The group’s stage presence is also highly praised for its intensity and skill.
Since their debut, (G)I-dle has amassed impressive achievements, including the prestigious “Rookie of the Year” award, and has set a record as the Kpop group with the most rookie awards in history, winning a total of 8 awards across multiple award shows. Their songs regularly top charts, and some even achieve Perfect All-Kill status.

2. ITZY (있지)
ITZY is a five-member girl group formed and managed by JYP Entertainment, and one of the earliest 4th Gen groups to debut in Kpop. Over the years, ITZY has achieved remarkable success, winning numerous awards and gaining a huge fan following.
ITZY made their debut in February 2019 with the music video for their first track "Dalla Dalla." The song, with its catchy beats and vibrant visuals, quickly became a sensation. ITZY was a refreshing change for JYP, choosing a girl-crush concept that set them apart from their seniors. "Dalla Dalla" became the highest-charting song among all Kpop girl groups in 2019, dominating the Asian music scene during the first half of the year. Thanks to this hit, ITZY became one of the most talked-about rookie groups right from the start.
Coming from a company known for its strict standards on appearance, ITZY is praised for its stunning visuals that capture everyone's attention. Particularly, member Yuna is often ranked among the top visuals and considered one of the most beautiful idols of the 4th Gen. Besides their looks, the members are also exceptionally talented in various artistic fields.
Since debuting, ITZY has accumulated numerous achievements, including multiple music videos with over 100 million views on YouTube. Their success on music charts and with album sales continues to top Kpop rankings. While they may face tough competition from other 4th Gen girl groups in the current music race, their level of fame is undeniably solid.

3. Le Sserafim (르세라핌)
Le Sserafim entered the music scene in 2022 as the first girl group under HYBE, the company behind BTS. Their debut sparked excitement in the K-pop industry, adding even more heat to the already competitive market. Like IVE, Le Sserafim also features two stars from the Produce 48 show, Sakura and Chaewon.
Le Sserafim made their debut on May 2, 2022, with the mini-album 'FEARLESS.' This group quickly became a top contender in the 4th Gen K-pop scene, breaking records as the first girl group to debut with a song charting on Spotify in the shortest amount of time, and becoming the highest-selling female group on the day of album release.
Dubbed “the little sister of BTS,” Le Sserafim impressed audiences with their energetic music and fast-paced beats that elevate their powerful choreography. The group’s dancing skills, with their sharp and intense movements, have received high praise.
With their talent and growing popularity, Le Sserafim has secured a spot among the most well-known 4th Gen K-pop groups. They continue to achieve great success, with their recent comebacks solidifying their place in the industry. Notably, Le Sserafim even surpassed BLACKPINK in a significant achievement, breaking records to become the fastest-selling girl group on Hanteo on their album's release day.

4. Fifty Fifty (피프티 피프티)
Fifty Fifty is a 4-member girl group that debuted in 2022 under the small entertainment agency ATTRAKT. The group’s journey to success has been challenging, as they had to stand out in a competitive K-pop industry filled with many popular acts.
Fifty Fifty made their debut on November 14, 2022, with the music video for their pre-release track, "Lovin Me," uploaded on their official YouTube channel. The group struggled to capture attention until their song "Cupid" went viral on TikTok. Seizing the moment, they quickly released an English version of the track, which turned out to be even more viral than the original, skyrocketing the group’s popularity.
Fifty Fifty distinguishes themselves with a unique musical style compared to most K-pop groups, choosing to explore R&B pop. Their music has a dreamy, sweet quality that captivates listeners, and the members are known for their exceptional performance skills, clear and warm vocal tones, as well as impressive rapping abilities.
From the beginning, Fifty Fifty set their sights on international markets, breaking into global music scenes and surpassing many competitors. They notably broke a record previously held by the “super rookie” NewJeans from HYBE, becoming the fastest girl group to enter the Billboard Hot 100, just 130 days after their debut. Their tracks continue to dominate social media and show no signs of slowing down.

5. NMIXX (엔믹스)
NMIXX is a 6-member girl group formed by SQU4D, a sub-label of JYP Entertainment. Since the release of their first promotional images, the group has been the center of attention among K-pop fans.
Under the prestigious JYP Entertainment, known for producing top-tier girl groups with perfect visuals, NMIXX further solidified this reputation. Each member of the group brings their unique charm and striking beauty, making them stand out in every performance.
NMIXX has carved out a unique musical identity by blending various genres into their tracks. Their live singing ability has earned them praise from K-pop fans, and their captivating stage presence—bolstered by their stunning visuals and bright smiles—always leaves the audience in awe whenever they perform.
Despite debuting in a period dominated by other active Gen 4 groups, NMIXX has managed to make a significant impact, impressing fans with both their beauty and talent. Thanks to their consistent promotional efforts and impressive live performances, the group has gained a loyal fanbase. With strong album sales, NMIXX is set to be a formidable rival to other Gen 4 girl groups like Aespa, IVE, and Kep1er in the album sales race.

6. Kep1er (케플러)
Kep1er is a girl group consisting of 9 talented members, all of whom were chosen from the Mnet survival show Girls Planet 999. The group is managed by Swing Entertainment and Wake One Entertainment. With their massive popularity from the show, Kep1er immediately drew attention from K-pop fans even before their official debut.
They officially debuted on December 14, 2021, with their first album 'First Impact' and the title track 'WA DA DA'. Their debut quickly earned them a huge following, establishing Kep1er as one of the most powerful rookie groups to watch in K-pop in 2022.
The members of Kep1er were selected after an intense competition, ensuring that every member brought their A-game in skills, talent, and popularity. From live performances to dance, rap, and stage presence, each member excels in their role. Their stunning visuals, talents, and rising fame are the perfect words to describe the group.
Since their debut, Kep1er has enjoyed tremendous success in the Korean music industry. Within just 24 hours of releasing their debut MV, the video garnered an impressive 7.18 million views on YouTube. Their first album also broke records, selling 150,153 copies on the first day and becoming the best-selling debut album by a girl group on Hanteo, surpassing legendary groups like IZ*ONE and BLACKPINK.

7. STAYC (스테이씨)
STAYC is a girl group formed and managed by High Up Entertainment, and they were the first group to debut under this new entertainment company. Despite being with a relatively new agency, STAYC surprised many by achieving significant success right from the start.
The group officially debuted on November 12, 2020, with their first single album 'Star To A Young Culture'. Within just one day of their debut, they set a record as the girl group with the highest first-day album sales, with over 4,300 copies sold.
Before their debut, STAYC gained attention for several of its members who had prior acting experience. Leading up to their debut, the group showcased their talents by posting cover performances of popular songs, impressing fans with their musical skills and exceptional dancing. Their visuals also drew attention, with each member possessing a unique charm.
STAYC has consistently been well-received by the public with each comeback. Not only have they achieved impressive album sales, but they've also made waves in the digital music charts, becoming the only rookie girl group to place a song in the Top 20 of real-time charts on two of South Korea's leading music streaming platforms. Their comebacks have been met with strong support, as their videos frequently rack up high view counts and climb the music charts.

8. IVE (아이브)
IVE is a K-pop girl group formed and managed by Starship Entertainment, consisting of 6 members. When discussing the most popular Gen 4 groups in K-pop today, it's impossible not to mention IVE. Right from their debut, the group captured public attention, thanks to the presence of two famous members from Produce 48: Jang Wonyoung and Ahn Yujin.
IVE officially debuted on December 1, 2021, with their hit song 'Eleven'. The group quickly rose to stardom, becoming one of the most beloved Gen 4 groups in K-pop, not only in South Korea but internationally as well.
The members of IVE are known for their stunning visuals, and their music resonates with a wide audience, constantly achieving impressive rankings on music charts and gaining massive popularity across social media. Despite initial controversy surrounding their live performances and stage presence, the group has consistently shown growth, improving with every comeback.
IVE's success has been nothing short of spectacular since their debut. They've regularly topped digital music platforms and received numerous awards, including Daesang trophies for Song of the Year at major music award shows. Their hits, such as 'Eleven', 'Love Dive', and 'After Like', have cemented IVE as one of K-pop's most successful and influential groups.

9. Aespa (에스파)
Aespa is a K-pop girl group consisting of four members, formed and managed by SM Entertainment. Coming from the prestigious SM Entertainment, it's no surprise that the members of Aespa possess captivating visuals and an AI-generated perfect figure.
Aespa is considered one of the most successful Gen 4 K-pop groups, having achieved remarkable feats since their debut. Forbes, a leading American economic magazine, wrote: 'Aespa debuted less than a year ago but has already achieved success beyond South Korea. Their first album made its debut on the Billboard charts this week, marking a major and significant victory compared to the records set by all female artists in South Korea.'
Although Aespa has not released many songs, every single they have put out has performed well in both digital sales and physical album sales. Notable tracks include the viral hit 'Next Level', known for its iconic dance moves, and 'Savage', which achieved Perfect All-Kill status.
Every time Aespa returns, they continue to surprise fans with impressive musical achievements. Even after a long hiatus, their comeback with the mini album 'My World' and title track 'Spicy' resulted in over 1.3 million copies sold within the first week. This album also became one of the top 10 best-selling K-pop albums in history. Additionally, their songs consistently chart in the top rankings both in South Korea and internationally.

10. NewJeans (뉴진스)
NewJeans is a five-member girl group formed in 2019 under the management of the renowned artistic director Min Hee Jin, who is known for her work with some of K-pop's biggest idols, and supported by Hype Entertainment. From the moment they debuted, NewJeans captured the attention of K-pop fans worldwide.
The group quickly became a hot topic, especially with the revelation of the members' youth—ranging from 14 to 18 years old. Their debut music video for 'Attention' garnered positive reactions from audiences due to its thoughtful production and engaging content. NewJeans continued to release hit songs that topped music charts for extended periods.
The group's music is often described as fresh and innovative, blending new sounds with familiar elements. Some members have even contributed to the production of the group's tracks, showcasing their talents behind the scenes. Additionally, the Y2K fashion style that NewJeans popularized has become a major trend among young people.
Since their debut, NewJeans has broken numerous records, especially in the digital music space. Their hits, from their debut songs to recent comebacks, have become anthems of the new generation. Not only have they gained immense popularity in South Korea, but their music has also made a significant impact internationally. The group's success on platforms like Spotify has surpassed expectations, setting records that many seasoned artists envy.
