Here is when every major K-pop group debuted, listed in chronological order.
| Group | Debut Date | Debut Song | Company | Generation |
|---|---|---|---|---|
| BIGBANG | August 19, 2006 | La La La | YG Entertainment | 2nd |
| EXO | April 8, 2012 | MAMA | SM Entertainment | 3rd |
| BTS | June 13, 2013 | No More Dream | BIGHIT MUSIC | 3rd |
| TWICE | October 20, 2015 | Like Ooh-Ahh | JYP Entertainment | 3rd |
| BLACKPINK | August 8, 2016 | Boombayah / Whistle | YG Entertainment | 3rd |
| SEVENTEEN | May 26, 2015 | Adore U | Pledis Entertainment | 3rd |
| NCT | April 9, 2016 | The 7th Sense (NCT U) | SM Entertainment | 3rd/4th |
| Stray Kids | March 25, 2018 | District 9 | JYP Entertainment | 4th |
| ATEEZ | October 24, 2018 | Pirate King | KQ Entertainment | 4th |
| TXT | March 4, 2019 | Crown | BIGHIT MUSIC | 4th |
| aespa | November 17, 2020 | Black Mamba | SM Entertainment | 4th |
| ENHYPEN | November 30, 2020 | Given-Taken | BELIFT LAB | 4th |
| IVE | December 1, 2021 | ELEVEN | Starship Entertainment | 4th |
| LE SSERAFIM | May 2, 2022 | FEARLESS | SOURCE MUSIC | 4th |
| NewJeans | August 1, 2022 | Attention | ADOR | 4th |