BUT THE LITTLE GIRLS UNDERSTAND by THE KNACK has sold 621,540 copies in Canada, Japan and United States.
BUT THE LITTLE GIRLS UNDERSTAND certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
100,000 | 1x Platinum | 1980 |
Canada Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1980
|
 Japan |
21,540 | Oricon charts |
Japan Sales: 21,540
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 United States |
500,000 | 1x Gold | 14 April, 1980 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 14 April, 1980
|
| Total sales | 621,540 | (in 3 countries) |
Total
Sales: 621,540
(in 3 countries)
|