THE DEFAMATION OF STRICKLAND BANKS by PLAN B has sold 2,000,000 copies in 29 countries. The album sold best in United Kingdom (1,400,000 copies), Ireland (15,000 copies) and (0 copies).
THE DEFAMATION OF STRICKLAND BANKS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Ireland |
15,000 | 1x Platinum | 2010 |
Ireland Sales: 15,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2010
|
 United Kingdom |
1,400,000 | 4x Platinum | 6 January,2012 |
United Kingdom Sales: 1,400,000
Certification / note: 4x Platinum
Certification Date / sales as of: 6 January,2012
|
 Europe (IFPI) |
2,000,000 | 2x Platinum | 2011 |
Europe (IFPI) Sales: 2,000,000
Certification / note: 2x Platinum
Certification Date / sales as of: 2011
|
| Total sales | 2,000,000 | (in 29 countries) |
Total
Sales: 2,000,000
(in 29 countries)
|
Year-end chart performance for THE DEFAMATION OF STRICKLAND BANKS
| Chart 2010 | Rank |
 French Albums (SNEP) |
133 |
| UK Albums (Charts Plus) |
5 |
| Chart 2011 | Rank |
| UK Albums (Charts Plus) |
21 |
| Chart 2012 | Rank |
| UK Albums (Charts Plus) |
119 |
Decade-end chart performance for THE DEFAMATION OF STRICKLAND BANKS
| Chart 2010's | Rank |
| UK Albums (Official Charts) |
20 |