The soundtrack DUETS has sold 642,500 copies in Australia, Brazil, New Zealand and United States.
DUETS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
35,000 | 1x Gold | FEBRUARY 2001 |
Australia Sales: 35,000
Certification / note: 1x Gold
Certification Date / sales as of: FEBRUARY 2001
|
 Brazil |
100,000 | 1x Gold | 2003 |
Brazil Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 2003
|
 New Zealand |
7,500 | 1x Gold |
New Zealand Sales: 7,500
Certification / note: 1x Gold
Certification Date / sales as of:
|
|
 United States |
500,000 | 1x Gold | 8 November, 2006 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 8 November, 2006
|
| Total sales | 642,500 | (in 4 countries) |
Total
Sales: 642,500
(in 4 countries)
|
Year-end chart performance for DUETS
| Chart 2001 | Rank |
| Australian Albums (ARIA) |
69 |