12 by HERBERT GRÖNEMEYER has sold 1,000,000 copies in 29 countries. The album sold best in Germany (800,000 copies), Switzerland (90,000 copies) and Austria (60,000 copies).
12 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Austria |
60,000 | 3x Platinum | 5 March, 2007 |
Austria Sales: 60,000
Certification / note: 3x Platinum
Certification Date / sales as of: 5 March, 2007
|
 Germany |
800,000 | 4x Platinum | 2007 |
Germany Sales: 800,000
Certification / note: 4x Platinum
Certification Date / sales as of: 2007
|
 Switzerland |
90,000 | 3x Platinum | 2007 |
Switzerland Sales: 90,000
Certification / note: 3x Platinum
Certification Date / sales as of: 2007
|
 Europe (IFPI) |
1,000,000 | 1x Platinum | 2007 |
Europe (IFPI) Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2007
|
| Total sales | 1,000,000 | (in 29 countries) |
Total
Sales: 1,000,000
(in 29 countries)
|
Year-end chart performance for 12
| Chart 2007 | Rank |
| Austrian Albums (Ö3 Austria) |
4 |
| German Albums (Offizielle Top 100) |
2 |
| Swiss Albums (Schweizer Hitparade) |
11 |
| Chart 2008 | Rank |
| German Albums (Offizielle Top 100) |
46 |