UNION by YES has sold 564,250 copies in Japan and United States.
UNION certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Japan |
64,250 | Oricon charts |
Japan Sales: 64,250
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 United States |
500,000 | 1x Gold | 2 July, 1991 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 2 July, 1991
|
| Total sales | 564,250 | (in 2 countries) |
Total
Sales: 564,250
(in 2 countries)
|
Year-end chart performance for UNION
| Chart 1991 | Rank |
 Canadian Albums (RPM) |
71 |