REASON 4 BREATHING? by BROWN EYES (브라운아이즈) has sold 746,325 copies in Korea.
REASON 4 BREATHING? certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
746,325 | RIAK / Gaon charts |
Korea Sales: 746,325
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 746,325 | (in 1 country) |
Total
Sales: 746,325
(in 1 country)
|
Year-end chart performance for REASON 4 BREATHING?
| Chart 2002 | Rank | Sales |
| South Korean Albums (Gaon) |
2 | 618,026 |
| Chart 2003 | Rank | Sales |
| South Korean Albums (Gaon) |
14 | 145,872 |
| Chart 2006 | Rank | Sales |
 Dutch Music DVD (Dutch Charts) |
42 | |
| Chart 2007 | Rank | Sales |
| Dutch Music DVD (Dutch Charts) |
48 | |
 Swedish Music DVD (Sverigetopplistan) |
74 |