BEST by MIKA NAKASHIMA (中島 美嘉) has sold 1,093,903 copies in Japan and Korea.
BEST certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
1,079,439 | 1 Million | December 2005 |
Japan Sales: 1,079,439
Certification / note: 1 Million
Certification Date / sales as of: December 2005
|
 Korea |
14,464 | RIAK / Gaon charts |
Korea Sales: 14,464
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 1,093,903 | (in 2 countries) |
Total
Sales: 1,093,903
(in 2 countries)
|
Year-end chart performance for BEST
| Chart 2006 | Rank | Sales |
| Japanese Albums (Oricon) |
6 | 1,109,420 |
| South Korean International Albums (Gaon) |
13 | 14,464 |