セレクション 1978～81 by OFF COURSE (オフコース) has sold 0 copies on streaming services.
セレクション 1978～81 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of |
| Total sales | 0 | Album-equivalent unit |
Total
Sales: 0
Album-equivalent unit
|
Year-end chart performance for セレクション 1978～81
| Chart 1981 | Rank | Sales |
 Japanese Albums (Oricon) |
15 | 421,000 |
| Chart 1982 | Rank | Sales |
| Japanese Albums (Oricon) |
33 | 253,000 |