DUETS by BARBRA STREISAND has sold 750,000 copies in Australia, New Zealand, Spain, United Kingdom and United States.
DUETS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
70,000 | 1x Platinum | DECEMBER 2002 |
Australia Sales: 70,000
Certification / note: 1x Platinum
Certification Date / sales as of: DECEMBER 2002
|
 New Zealand |
30,000 | 2x Platinum |
New Zealand Sales: 30,000
Certification / note: 2x Platinum
Certification Date / sales as of:
|
|
 Spain |
50,000 | 1x Gold | 2002 |
Spain Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 2002
|
 United Kingdom |
100,000 | 1x Gold | 22 November, 2002 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 22 November, 2002
|
 United States |
500,000 | 1x Gold | 9 January, 2003 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 9 January, 2003
|
| Total sales | 750,000 | (in 5 countries) |
Total
Sales: 750,000
(in 5 countries)
|
Year-end chart performance for DUETS
| Chart 2002 | Rank | Sales |
| Australian Albums (ARIA) |
71 | >70,000 |
| UK Artist Albums |
89 | 190,000 |
| Chart 2003 | Rank | Sales |
| Australian Albums (ARIA) |
63 | |
 Dutch Albums (Album Top 100) |
65 | |
| US Albums (Billboard 200) |
176 |