According to Universal Music Japan, SUPERUNKNOWN by SOUNDGARDEN has sold 9,000,000 copies worldwide. The album sold best in United States (6,000,000 copies), Canada (300,000 copies) and United Kingdom (300,000 copies).
SUPERUNKNOWN certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
210,000 | 3x Platinum |
Australia Sales: 210,000
Certification / note: 3x Platinum
Certification Date / sales as of:
|
|
 Canada |
300,000 | 3x Platinum | 1994 |
Canada Sales: 300,000
Certification / note: 3x Platinum
Certification Date / sales as of: 1994
|
 Italy |
25,000 | 1x Gold (Sales since 2009) | 2019 |
Italy Sales: 25,000
Certification / note: 1x Gold (Sales since 2009)
Certification Date / sales as of: 2019
|
 Netherlands |
50,000 | 1x Gold | 1995 |
Netherlands Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 1995
|
 New Zealand |
15,000 | 1x Platinum |
New Zealand Sales: 15,000
Certification / note: 1x Platinum
Certification Date / sales as of:
|
|
 Sweden |
50,000 | 1x Gold | 13 June, 1995 |
Sweden Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 13 June, 1995
|
 United Kingdom |
300,000 | 1x Platinum | 2 July, 2021 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2 July, 2021
|
 United States |
6,000,000 | 6x Platinum | April 21, 2022 |
United States Sales: 6,000,000
Certification / note: 6x Platinum
Certification Date / sales as of: April 21, 2022
|
| Worldwide sales | 9,000,000 | Universal Music Japan |
Total
Sales: 9,000,000
Source: Universal Music Japan
|