KEEPS GETTIN' BETTER: A DECADE OF HITS by CHRISTINA AGUILERA has sold 987,500 copies in 6 countries. The album sold best in United States (500,000 copies), United Kingdom (300,000 copies) and Japan (100,000 copies).
KEEPS GETTIN' BETTER: A DECADE OF HITS 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:
|
|
 Ireland |
7,500 | 1x Gold | 2008 |
Ireland Sales: 7,500
Certification / note: 1x Gold
Certification Date / sales as of: 2008
|
 Japan |
100,000 | 1x Gold | December 2008 |
Japan Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: December 2008
|
 Russia |
10,000 | 1x Gold | 2008 |
Russia Sales: 10,000
Certification / note: 1x Gold
Certification Date / sales as of: 2008
|
 United Kingdom |
300,000 | 1x Platinum | 22 December, 2017 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 22 December, 2017
|
 United States |
500,000 | 1x Gold | 14 June, 2018 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 14 June, 2018
|
| Total sales | 987,500 | (in 6 countries) |
Total
Sales: 987,500
(in 6 countries)
|
Year-end chart performance for KEEPS GETTIN' BETTER: A DECADE OF HITS
| Chart 2008 | Rank | Sales |
| Australian Albums (ARIA) |
95 | >35,000 |
| UK Albums (Charts Plus) |
140 | |
| Chart 2009 | Rank | Sales |
| US Albums (Billboard 200) |
168 |