IOWA by SLIPKNOT has sold 1,790,000 copies in 9 countries. The album sold best in United States (1,000,000 copies), United Kingdom (300,000 copies) and Germany (150,000 copies).
IOWA certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
Australia |
35,000 | 1x Gold | NOVEMBER 2001 |
AustraliaSales: 35,000
Certification / note: 1x Gold
Certification Date / sales as of: NOVEMBER 2001
|
Belgium |
25,000 | 1x Gold |
BelgiumSales: 25,000
Certification / note: 1x Gold
Certification Date / sales as of:
|
|
Canada |
100,000 | 1x Platinum | 2001 |
CanadaSales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2001
|
France |
50,000 | 1x Silver | 2002 |
FranceSales: 50,000
Certification / note: 1x Silver
Certification Date / sales as of: 2002
|
Germany |
150,000 | 1x Gold | 2010 |
GermanySales: 150,000
Certification / note: 1x Gold
Certification Date / sales as of: 2010
|
Japan |
100,000 | 1x Gold | December 2001 |
JapanSales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: December 2001
|
Netherlands |
30,000 | 1x Gold | 2008 |
NetherlandsSales: 30,000
Certification / note: 1x Gold
Certification Date / sales as of: 2008
|
United Kingdom |
300,000 | 1x Platinum | 23 March, 2018 |
United KingdomSales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 23 March, 2018
|
United States |
1,000,000 | 1x Platinum | 10 October, 2001 |
United StatesSales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 10 October, 2001
|
Europe (IMPALA) |
500,000 | 1x Platinum |
Europe (IMPALA)Sales: 500,000
Certification / note: 1x Platinum
Certification Date / sales as of:
|
|
| Total sales | 1,790,000 | (in 9 countries) |
Total
Sales: 1,790,000
(in 9 countries)
|
Year-end chart performance for IOWA
| Chart 2001 | Rank | Sales |
Canadian Albums (SoundScan) |
99 | |
UK Albums |
174 | 130,000 |
UK Artist Albums |
128 | 130,000 |
US Albums (Billboard 200) |
150 |


Australia
Belgium
Canada
France
Germany
Japan
Netherlands
United Kingdom
United States
Europe (IMPALA)