O-TOWN by O-TOWN has sold 1,160,000 copies in Canada, United Kingdom and United States.
O-TOWN certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
100,000 | 1x Platinum | 2001 |
Canada Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2001
|
 United Kingdom |
60,000 | 1x Silver | 22 July, 2013 |
United Kingdom Sales: 60,000
Certification / note: 1x Silver
Certification Date / sales as of: 22 July, 2013
|
 United States |
1,000,000 | 1x Platinum | 26 February, 2001 |
United States Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 26 February, 2001
|
| Total sales | 1,160,000 | (in 3 countries) |
Total
Sales: 1,160,000
(in 3 countries)
|
Year-end chart performance for O-TOWN
| Chart 2001 | Rank | Sales |
| Canadian Albums (SoundScan) |
35 | |
| US Albums (Billboard 200) |
66 | |
| US Albums (Soundscan) |
49 | 1,520,000 |
 Worldwide Albums (IFPI Global Music Report) |
46 |