21ST CENTURY BOY by MUSTII has sold 0 copies on streaming services.
21ST CENTURY BOY 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 21ST CENTURY BOY
| Chart 2018 | Rank |
 Belgian Albums (Ultratop Wallonia) |
74 |
| Chart 2019 | Rank |
| Belgian Albums (Ultratop Wallonia) |
69 |