THE BEST by JUNKO YAGAMI (八神純子) has sold 0 copies on streaming services.
THE BEST 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 THE BEST
| Chart 1980 | Rank | Sales |
 Japanese Albums (Oricon) |
35 | 199,000 |
| Chart 1981 | Rank | Sales |
| Japanese Albums (Oricon) |
26 | 304,000 |