SON BY FOUR by SON BY FOUR has sold 655,000 copies in Argentina, Mexico, Spain and United States.
SON BY FOUR certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Argentina |
30,000 | 1x Gold | 8 June, 2000 |
Argentina Sales: 30,000
Certification / note: 1x Gold
Certification Date / sales as of: 8 June, 2000
|
 Mexico |
75,000 | 1x Gold | 9 October, 2000 |
Mexico Sales: 75,000
Certification / note: 1x Gold
Certification Date / sales as of: 9 October, 2000
|
 Spain |
50,000 | 1x Gold | 2001 |
Spain Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 2001
|
 United States |
500,000 | 1x Gold | 12 September, 2000 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 12 September, 2000
|
| Total sales | 655,000 | (in 4 countries) |
Total
Sales: 655,000
(in 4 countries)
|