DUET by RONAN KEATING has sold 100,000 copies in Australia and New Zealand.
DUET certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
70,000 | 1x Platinum |
Australia Sales: 70,000
Certification / note: 1x Platinum
Certification Date / sales as of:
|
|
 New Zealand |
30,000 | 2x Platinum |
New Zealand Sales: 30,000
Certification / note: 2x Platinum
Certification Date / sales as of:
|
|
| Total sales | 100,000 | (in 2 countries) |
Total
Sales: 100,000
(in 2 countries)
|
Year-end chart performance for DUET
| Chart 2010 | Rank | Sales |
| Australian Albums (ARIA) |
18 | >70,000 |
| New Zealand Albums (RMNZ) |
9 |