KEN HIRAI SINGLES BEST COLLECTION 歌バカ 2 by KEN HIRAI (平井 堅) has sold 100,000 copies in Japan.
KEN HIRAI SINGLES BEST COLLECTION 歌バカ 2 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
100,000 | 1x Gold | July 2017 |
Japan Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: July 2017
|
| Total sales | 100,000 | (in 1 country) |
Total
Sales: 100,000
(in 1 country)
|
Year-end chart performance for KEN HIRAI SINGLES BEST COLLECTION 歌バカ 2
| Chart 2017 | Rank | Sales |
| Japanese Albums (Oricon) |
51 | 79,902 |