WOW 1999 by WOW SERIES has sold 1,025,000 copies in Canada and United States.
WOW 1999 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
25,000 | 1x Gold | 1999 |
Canada Sales: 25,000
Certification / note: 1x Gold
Certification Date / sales as of: 1999
|
 United States |
1,000,000 | 2x Platinum | 19 January, 2000 |
United States Sales: 1,000,000
Certification / note: 2x Platinum
Certification Date / sales as of: 19 January, 2000
|
| Total sales | 1,025,000 | (in 2 countries) |
Total
Sales: 1,025,000
(in 2 countries)
|
Year-end chart performance for WOW 1999
| Chart 1999 | Rank |
| US Albums (Billboard 200) |
135 |