1ST by SIXTONES has sold 500,000 copies in Japan.
1ST certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
500,000 | 2x Platinum | January 2021 |
Japan Sales: 500,000
Certification / note: 2x Platinum
Certification Date / sales as of: January 2021
|
| Total sales | 500,000 | (in 1 country) |
Total
Sales: 500,000
(in 1 country)
|
Year-end chart performance for 1ST
| Chart 2021 | Rank | Sales |
| Japanese Albums (Oricon) |
3 | 590,838 |