Billboard Names K‑Pop Groups KATSEYE and CORTIS to 2026 ‘21 Under 21’ List

Billboard released its annual “21 Under 21” list for 2026, highlighting the top music artists aged 21 and under based on sales, streaming, social media reach and chart performance. Korean girl group KATSEYE, signed to HYBE/Geffen Records, earned a spot for the second consecutive year, with Billboard noting its Grammy nominations, multiple Billboard Hot 100 entries and ongoing promotion as a quintet after a member’s hiatus.

Boy group CORTIS, under BigHit Music, debuted on the list, praised for rapid chart ascent; its second EP “GreenGreen” entered the Billboard 200 at No. 3 and its single “RedRed” charted on the Global 200. Both groups’ inclusion underscores the growing global impact of K‑pop artists.