THE DUTCHESS by FERGIE has sold 6,428,000 copies in 14 countries. The album sold best in United States (5,000,000 copies), Canada (300,000 copies) and United Kingdom (300,000 copies).
THE DUTCHESS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
280,000 | 4x Platinum |
Australia Sales: 280,000
Certification / note: 4x Platinum
Certification Date / sales as of:
|
|
 Brazil |
60,000 | 1x Platinum | 2009 |
Brazil Sales: 60,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2009
|
 Canada |
300,000 | 3x Platinum | 2008 |
Canada Sales: 300,000
Certification / note: 3x Platinum
Certification Date / sales as of: 2008
|
 Denmark |
20,000 | 1x Platinum | 12 September, 2017 |
Denmark Sales: 20,000
Certification / note: 1x Platinum
Certification Date / sales as of: 12 September, 2017
|
 Germany |
100,000 | 1x Gold | 2007 |
Germany Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 2007
|
 Hungary |
3,000 | 1x Gold | 2007 |
Hungary Sales: 3,000
Certification / note: 1x Gold
Certification Date / sales as of: 2007
|
 Japan |
250,000 | 1x Platinum | November 2006 |
Japan Sales: 250,000
Certification / note: 1x Platinum
Certification Date / sales as of: November 2006
|
 New Zealand |
15,000 | 1x Platinum |
New Zealand Sales: 15,000
Certification / note: 1x Platinum
Certification Date / sales as of:
|
|
 Poland |
20,000 | 1x Platinum | 2007 |
Poland Sales: 20,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2007
|
 Russia |
60,000 | 3x Platinum | 2006 |
Russia Sales: 60,000
Certification / note: 3x Platinum
Certification Date / sales as of: 2006
|
 Singapore |
5,000 | 1x Gold | 2020 |
Singapore Sales: 5,000
Certification / note: 1x Gold
Certification Date / sales as of: 2020
|
 Switzerland |
15,000 | 1x Gold | 2007 |
Switzerland Sales: 15,000
Certification / note: 1x Gold
Certification Date / sales as of: 2007
|
 United Kingdom |
300,000 | 1x Platinum | 22 July, 2013 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 22 July, 2013
|
 United States |
5,000,000 | 5x Platinum | 20 July, 2016 |
United States Sales: 5,000,000
Certification / note: 5x Platinum
Certification Date / sales as of: 20 July, 2016
|
| Total sales | 6,428,000 | (in 14 countries) |
Total
Sales: 6,428,000
(in 14 countries)
|
Year-end chart performance for THE DUTCHESS
| Chart 2006 | Rank | Sales |
| Japanese Albums (Oricon) |
45 | 259,753 |
 Mexican Albums (Top 100 Mexico) |
100 | |
| US Albums (Billboard 200) |
115 | |
| US Albums (Soundscan) |
33 | 1,207,000 |
 Worldwide Albums (IFPI Global Music Report) |
26 | 2,450,000 |
| Chart 2007 | Rank | Sales |
| Australian Albums (ARIA) |
5 | |
| New Zealand Albums (RMNZ) |
28 | |
| UK Albums (Charts Plus) |
85 | |
| US Albums (Billboard 200) |
3 | |
| US Albums (Soundscan) |
8 | 2,063,572 |
| Worldwide Albums (IFPI Global Music Report) |
20 | 3,000,000 |
| Chart 2008 | Rank | Sales |
| Australian Albums (ARIA) |
64 | |
| US Albums (Billboard 200) |
45 |