BEST OF BLUE by BLUE has sold 1,000,000 copies in 29 countries. The album sold best in United Kingdom (600,000 copies), Germany (100,000 copies) and Portugal (40,000 copies).
BEST OF BLUE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Denmark |
10,000 | 1x Gold | 13 February, 2018 |
Denmark Sales: 10,000
Certification / note: 1x Gold
Certification Date / sales as of: 13 February, 2018
|
 Germany |
100,000 | 1x Gold | 2009 |
Germany Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 2009
|
 Portugal |
40,000 | 2x Platinum |
Portugal Sales: 40,000
Certification / note: 2x Platinum
Certification Date / sales as of:
|
|
 Switzerland |
20,000 | 1x Gold | 2004 |
Switzerland Sales: 20,000
Certification / note: 1x Gold
Certification Date / sales as of: 2004
|
 United Kingdom |
600,000 | 2x Platinum | 30 November, 2018 |
United Kingdom Sales: 600,000
Certification / note: 2x Platinum
Certification Date / sales as of: 30 November, 2018
|
 Europe (IFPI) |
1,000,000 | 1x Platinum | 2004 |
Europe (IFPI) Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2004
|
| Total sales | 1,000,000 | (in 29 countries) |
Total
Sales: 1,000,000
(in 29 countries)
|
Year-end chart performance for BEST OF BLUE
| Chart 2004 | Rank | Sales |
 Italian Albums (FIMI) |
3 | |
| UK Albums |
43 | 420,000 |
| UK Artist Albums |
37 | 415,000 |
| Chart 2005 | Rank | Sales |
| German Albums (Offizielle Top 100) |
59 | |
| Italian Albums (FIMI) |
25 | |
| Portuguese Albums (AFP) |
26 | |
| Swiss Albums (Schweizer Hitparade) |
49 | |
| Chart 2015 | Rank | Sales |
 Japanese Music DVD (Oricon) |
22 | 40,841 |