JANUS / I YAH by BOYFRIEND (보이프렌드) has sold 54,155 copies in Korea.
JANUS / I YAH certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
54,155 | RIAK / Gaon charts |
Korea Sales: 54,155
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 54,155 | (in 1 country) |
Total
Sales: 54,155
(in 1 country)
|
Year-end chart performance for JANUS / I YAH
| Chart 2012 | Rank | Sales |
 Belgian Music DVD (Ultratop Wallonia) |
44 | |
| South Korean Albums (Gaon) |
53 | 29,480 |
| Chart 2013 | Rank | Sales |
| South Korean Albums (Gaon) |
63 | 24,675 |