THE ONLY by THE BOYZ (더보이즈) has sold 142,701 copies in Korea.
THE ONLY certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
142,701 | RIAK / Gaon charts | January 2022 |
Korea Sales: 142,701
Certification / note: RIAK / Gaon charts
Certification Date / sales as of: January 2022
|
| Total sales | 142,701 | (in 1 country) |
Total
Sales: 142,701
(in 1 country)
|
Year-end chart performance for THE ONLY
| Chart 2018 | Rank | Sales |
| South Korean Albums (Gaon) |
39 | 115,754 |