800BEST -SIMPLE IS THE BEST！！- by MONGOL800 has sold 0 copies on streaming services.
800BEST -SIMPLE IS 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
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Year-end chart performance for 800BEST -SIMPLE IS THE BEST！！-
| Chart 2013 | Rank | Sales |
 Japanese Albums (Oricon) |
68 | 89,210 |