ちいさな空 by IRUKA (イルカ) has sold 0 copies on streaming services.
ちいさな空 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 ちいさな空
| Chart 1978 | Rank | Sales |
 Japanese Albums (Oricon) |
42 | 93,000 |