GREATEST HITS: DECADE #1 by CARRIE UNDERWOOD has sold 1,060,000 copies in United Kingdom and United States.
GREATEST HITS: DECADE #1 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
60,000 | 1x Silver | 4 December, 2020 |
United Kingdom Sales: 60,000
Certification / note: 1x Silver
Certification Date / sales as of: 4 December, 2020
|
 United States |
1,000,000 | 1x Platinum | 8 January, 2016 |
United States Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 8 January, 2016
|
| Total sales | 1,060,000 | (in 2 countries) |
Total
Sales: 1,060,000
(in 2 countries)
|
Year-end chart performance for GREATEST HITS: DECADE #1
| Chart 2015 | Rank |
| US Albums (Billboard 200) |
28 |
| Chart 2016 | Rank |
| US Albums (Billboard 200) |
98 |