K-Pop History Part 4: The 4th Generation Takeover — ATEEZ, Stray Kids, BLACKPINK, and How K-Pop Stopped Waiting for Western Approval
π· The 4th generation era — @BABYMONSTER_YG / YG Entertainment · 2026
Let me tell you what the 4th generation of K-pop actually did. Because I think people misunderstand it. The common narrative is "4th gen went global" — but that's not quite right. 3rd gen went global. BTS, BLACKPINK, EXO — they all broke internationally. What the 4th generation did was different: they stopped asking to go global and just went.
This is Part 4 of KPulse Daily's K-Pop History series. We've covered the origins, the 2nd generation's global expansion, and the 3rd generation's Western breakthrough. Today: the 4th generation takeover — the groups that rewrote the rulebook between roughly 2018 and 2024.
What Is the "4th Generation" of K-Pop, Exactly?
K-pop generations aren't official — they're a fan shorthand for distinct eras in the industry's development. The 4th generation is generally understood to cover groups that debuted around 2018 onward: ATEEZ (2018), Stray Kids (also considered to have shifted into 4th gen energy with their independent era around 2019-2020), ITZY (2019), TOMORROW X TOGETHER (2019), aespa (2020), ENHYPEN (2020), IVE (2021), NewJeans (2022), and BABYMONSTER (2023), among others.
What unites these groups isn't just their debut year — it's their approach. The 3rd generation pioneered Western crossover, but often with one eye on what Western audiences expected. The 4th generation was raised on 3rd gen K-pop as a global phenomenon. They didn't experience K-pop as something fighting for international legitimacy. For them, international legitimacy was already a given. So they got weird. And bold. And very, very good.
BLACKPINK: The Bridge Between Generations
BLACKPINK is technically a 3rd generation group (debuted 2016) but their cultural peak — the Coachella performance, the BORN PINK world tour, the solo era — happened squarely in the 4th gen era and defined it as much as any 4th gen debut. Jennie's "SOLO," RosΓ©'s "On The Ground," and Lisa's "MONEY" hitting mainstream Western charts weren't just K-pop milestones. They were proof of concept that individual K-pop idols could operate as full-fledged global pop stars without the group as a crutch.
BLACKPINK's impact on the 4th generation is hard to overstate. Every 4th gen girl group — IVE, aespa, NewJeans, BABYMONSTER — emerged in a landscape where BLACKPINK had already proven that K-pop girl groups could compete at the absolute top of the global pop market. That's the starting line they got handed.
Stray Kids and ATEEZ: The Boys Who Built Their Own Worlds
If BLACKPINK defined the 4th gen girl group template, Stray Kids and ATEEZ defined the boy group one — and they did it in almost opposite ways.
Stray Kids, led by producer trio 3RACHA (Bang Chan, Changbin, Han), built their identity around self-production and self-expression in a way that was genuinely unprecedented for a major K-pop group. Their 2022 album ODDINARY debuted at #1 on the Billboard 200 — the first K-pop group to debut at #1 without BTS. That's not a footnote. That's a seismic event. And it happened because Stray Kids spent years building a fandom (STAY) that was aggressively loyal because the music felt genuinely personal.
ATEEZ went a different route: pure spectacle. Their HALATEEZ concept — an alternate pirate universe spanning multiple albums, short films, and even a Netflix documentary — turned K-pop into world-building at a scale the industry hadn't seen before. Their performances, particularly at major festivals like Coachella 2023, became the clips that K-pop non-fans shared. "I don't even like K-pop but these guys..." was a real phenomenon. It still is.
π· 4th gen energy — pure spectacle · fan photo / X · 2026
NewJeans and the Concept of "Anti-Concept"
Then NewJeans happened. And it was like watching someone flip the whole table.
HYBE's ADOR label debuted NewJeans in 2022 with a philosophy that was almost punk in its K-pop context: no excessive choreography showcase, no over-produced concept videos, no aggressive fandom cultivation. Just good songs, natural vibes, and a Y2K aesthetic that hit the fashion world as hard as it hit music charts. "Hype Boy" and "OMG" and "ETA" weren't K-pop hits that crossed over — they were just hits. That distinction matters.
NewJeans also changed the conversation around age in K-pop. Their debut as teenagers sparked the most serious discussion the industry had ever had about trainee welfare, age-appropriate concepts, and what companies owe young artists. It's a conversation that still isn't resolved, but NewJeans forced it into the open in a way no group had before.
π°π· The Korean Side — How 4th Gen Is Seen at Home
On Korean fan communities — TheQoo, Nate Pann — the 4th generation discourse is fascinating and complicated. There's immense pride in 4th gen groups' global achievements, but also a recurring anxiety about what "globalization" is doing to K-pop's Korean identity.
Some Korean fans on TheQoo have pointed out that 4th gen music increasingly sounds less distinctly Korean — more influenced by global trap, Western pop, and Latin music. The counter-argument (also on TheQoo) is that K-pop has always been a hybrid genre that absorbed global influences; that's literally its origin story. Both sides have a point. The debate is real and ongoing.
There's also the "4th gen war" discourse — the intense competition between girl groups especially (aespa vs. IVE vs. NewJeans vs. BABYMONSTER) that Korean fan communities track with almost sports-like intensity, comparing chart positions, brand reputation rankings, and concert ticket sales. It's exhausting and entertaining simultaneously.
π The Global Side — Why 4th Gen Feels Different to International Fans
International K-pop fans who got into it during the BTS era often describe 4th gen as "overwhelming" — there are simply too many groups releasing too much music too quickly. The FOMO is real. Reddit's r/kpop is a constant stream of "I'm falling behind, where do I even start with 4th gen?"
But fans who grew up on 4th gen — who started with ITZY or aespa or NewJeans as their entry point — often describe it differently. For them, the volume isn't overwhelming, it's abundance. And the quality ceiling of 4th gen production, choreography, and visual direction is genuinely unprecedented. The average B-side on a 4th gen mini-album would have been a title track contender ten years ago.
π The Gap — Korean vs. Global 4th Gen Experience
The central gap in the 4th gen era: Korean fans experience it as an extension of K-pop's domestic history — they have the context for why certain moves are bold, why certain concepts are subversive, what each group is reacting to. International fans experience it more like a standalone entertainment universe that happened to originate in Korea.
This gap actually benefits K-pop in some ways. The global appeal is broader because the music doesn't require cultural context to enjoy. But it creates friction when Korean fans try to explain why a seemingly innocuous creative choice is actually quite significant, and international fans go "I just liked the song."
What's Next: The 5th Generation
As of 2026, we're arguably in a transitional period. Groups like BABYMONSTER (debuted 2023), MEOVV, and others are sometimes grouped as "early 5th generation" by industry insiders. The next evolution seems to be heading toward even greater AI integration in music production, more solo-first strategies, and K-pop's continued expansion into Latin American markets — a region that was secondary for 3rd gen but is primary for 4th and 5th gen planning.
If Stray Kids' THIS & THAT era and ATEEZ's GOLDEN HOUR: Part 5 are any indication, the current leaders aren't done yet. They're just getting started.
FAQ
What is the 4th generation of K-pop?
Groups that debuted roughly from 2018 onward: ATEEZ, ITZY, TXT, aespa, ENHYPEN, IVE, NewJeans, BABYMONSTER, and many more. Defined by self-production, high production values, and treating global reach as a starting assumption rather than a goal.
Who are the biggest 4th gen groups right now in 2026?
Stray Kids and ATEEZ consistently lead the boy group side globally. IVE and aespa are the strongest girl group contenders. BABYMONSTER is the fastest-rising act. NewJeans would be here but their situation with HYBE/ADOR remains complex as of mid-2026.
Is BTS 3rd or 4th generation?
3rd generation — they debuted in 2013. BTS is arguably the group whose success made the 4th generation possible by opening doors globally that had been firmly closed to K-pop.
Era covered: ~2018–present
Defining groups: BLACKPINK (peak era), Stray Kids, ATEEZ, ITZY, aespa, IVE, NewJeans, BABYMONSTER
Milestone: Stray Kids — first non-BTS K-pop group to debut #1 Billboard 200 (ODDINARY, 2022)
Defining quality: Global-first mindset; self-production; high production standards
Series: K-Pop History — Part 1 | Part 2 | Part 3 | Part 4 (you are here) | Part 5 coming tomorrow
π¬ Jamie's Take
I think the 4th generation's most underrated quality is their comfort with ambition. Like — Stray Kids literally put "we don't need your validation" energy into their entire discography and then went and got everyone's validation anyway. ATEEZ built a pirate universe mythology and made it into a legitimate global franchise. NewJeans decided to just make good music without performing K-pop-ness and became the most culturally influential K-pop act of the early 2020s.
These are groups that weren't humble-approaching their goals. They were direct about them. And in an industry where humility is often performed as a survival mechanism, that directness was — and still is — genuinely radical.
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