ベスト＋裏ベスト＋未発表曲集 by COCCO has sold 400,000 copies in Japan.
ベスト＋裏ベスト＋未発表曲集 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
400,000 | 1x Platinum | September 2001 |
Japan Sales: 400,000
Certification / note: 1x Platinum
Certification Date / sales as of: September 2001
|
| Total sales | 400,000 | (in 1 country) |
Total
Sales: 400,000
(in 1 country)
|
Year-end chart performance for ベスト＋裏ベスト＋未発表曲集
| Chart 2001 | Rank | Sales |
| Japanese Albums (Oricon) |
45 | 494,740 |