THE SWEETEST ILLUSION by BASIA has sold 713,750 copies in Japan and United States.
THE SWEETEST ILLUSION certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
213,750 | 1x Platinum | October 1994 |
Japan Sales: 213,750
Certification / note: 1x Platinum
Certification Date / sales as of: October 1994
|
 United States |
500,000 | 1x Gold | 14 December, 1994 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 14 December, 1994
|
| Total sales | 713,750 | (in 2 countries) |
Total
Sales: 713,750
(in 2 countries)
|
Year-end chart performance for THE SWEETEST ILLUSION
| Chart 1994 | Rank | Sales |
| Japanese Albums (Oricon) |
86 | 213,750 |