South Korea’s Hanteo Chart released the rankings of the best-selling albums for the month of September.
Data from Hanteo Chart showed EXO’s Baekhyun is No. 1 in September with his album “Hello, World” selling 1.1 million copies or an equivalent of 1.13 million in physical record index (PRI), a combination of album sales and album price used to rank the albums.
Baekhyun (X)
BOYNEXTDOOR (KOZ Entertainment)
NCT Wish (MPD) 
Le Sserafim (Source Music)
Young Tak (Instagram)
Placing second is rookie boy band BOYNEXTDOOR’s “19.99” album which sold 861,777 copies in September or a PRI of 936,797.
The third best-selling album in September is NCT Wish’s “Steady,” which sold 792,347 copies or a PRI of 917,356.
In fourth place is girl group Le Sserafim’s “Crazy,” which garnered 493,638 copies in sales or a PRI or 578,313.
Grabbing fifth place is trot singer Young Tak’s (영탁) “SuperSuper,” which had 537,031 copies sold or a PRI of 503,815.
Here are the top 20 best-selling albums in South Korea in September, ranked based on PRI by Hanteo Chart:
1. EXO's Baekhyun - Hello, World - 1,104,608 (total copies sold) / 1,138,173 (physical record index)
2. BOYNEXTDOOR - 19.99 - 861,777 / 936,797
3. NCT Wish - Steady - 792,347 / 917,356
4. Le Sserafim - CRAZY - 493,638 / 578,312
5. Young Tak - SuperSuper - 537,031 / 503,815
6. Tzuyu - abouTZU - 346,792 / 391,834
7. P1Harmony - SAD SONG - 337,980 / 389,647
8. RIIZE - RIIZING: Epilogue - 287,972 / 364,633
9. ZEROBASEONE - CINEMA PARADISE - 210,506 / 194,736
10. Xikers - HOUSE OF TRICKY: WATCH OUT - 184,742 / 184,796
11. Chanyeol - BlackOut - 152,427 / 163,482
12. BTS’ V - Layover - 47,418 / 162,748
13. SUPER JUNIOR-D&E - INEVITABLE - 126,511 / 151,813
14. DAY6 - Band Aid - 132,566 / 143,943
15. SHINee’s Key - Pleasure Shop - 115,299 / 141,832
16. SHINee’s Onew - Flow - 111,340 / 128,349
17. Kang Daniel - ACT - 121,470 / 122,501
18. NCT’s Jaehyun - J - 77,320 / 103,259
19. MADEIN - Rise - 65,384 / 84,999
20. ATEEZ - GOLDEN HOUR: Part.1 WORK TO LIVE VER. - 15,526 / 61,328