MONSTER - THE 1ST MINI ALBUM by RED VELVET - IRENE & SEULGI (레드벨벳-아이린&슬기) has sold 337,859 copies in China and Korea.
MONSTER - THE 1ST MINI ALBUM certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 China |
104,012 | digital sales | 03 July, 2024 |
China Sales: 104,012
Certification / note: digital sales
Certification Date / sales as of: 03 July, 2024
|
 Korea |
233,847 | RIAK / Gaon charts |
Korea Sales: 233,847
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 337,859 | (in 2 countries) |
Total
Sales: 337,859
(in 2 countries)
|
Year-end chart performance for MONSTER - THE 1ST MINI ALBUM
| Chart 2020 | Rank | Sales |
| South Korean Albums (Gaon) |
41 | 232,498 |