THE SICKNESS by DISTURBED has sold 5,370,000 copies in Australia, Canada, United Kingdom and United States.
THE SICKNESS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
70,000 | 1x Platinum | AUGUST 2006 |
Australia Sales: 70,000
Certification / note: 1x Platinum
Certification Date / sales as of: AUGUST 2006
|
 Canada |
200,000 | 2x Platinum | 2018 |
Canada Sales: 200,000
Certification / note: 2x Platinum
Certification Date / sales as of: 2018
|
 United Kingdom |
100,000 | 1x Gold | 22 July, 2013 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 22 July, 2013
|
 United States |
5,000,000 | 5x Platinum | 21 June, 2018 |
United States Sales: 5,000,000
Certification / note: 5x Platinum
Certification Date / sales as of: 21 June, 2018
|
| Total sales | 5,370,000 | (in 4 countries) |
Total
Sales: 5,370,000
(in 4 countries)
|
Year-end chart performance for THE SICKNESS
| Chart 2000 | Rank | Sales |
| US Albums (Billboard 200) |
133 | |
| US Albums (Soundscan) |
94 | 946,466 |
| Chart 2001 | Rank | Sales |
| Canadian Albums (SoundScan) |
200 | |
| US Albums (Billboard 200) |
70 | |
| US Albums (Soundscan) |
70 | 1,260,000 |
| Chart 2002 | Rank | Sales |
| US Albums (Billboard 200) |
185 |