According to Universal Music Japan, GET THE KNACK by THE KNACK has sold 5,000,000 copies worldwide. The album sold best in United States (2,000,000 copies), Canada (400,000 copies) and Japan (134,910 copies).
GET THE KNACK certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
400,000 | 4x Platinum | 1980 |
Canada Sales: 400,000
Certification / note: 4x Platinum
Certification Date / sales as of: 1980
|
 Japan |
134,910 | Oricon charts |
Japan Sales: 134,910
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 New Zealand |
7,500 | 1x Gold |
New Zealand Sales: 7,500
Certification / note: 1x Gold
Certification Date / sales as of:
|
|
 United States |
2,000,000 | 2x Platinum | 5 February, 1992 |
United States Sales: 2,000,000
Certification / note: 2x Platinum
Certification Date / sales as of: 5 February, 1992
|
| Worldwide sales | 5,000,000 | Universal Music Japan |
Total
Sales: 5,000,000
Source: Universal Music Japan
|
Year-end chart performance for GET THE KNACK
| Chart 1979 | Rank |
 Australian Albums (Kent Music Report) |
19 |
| Canadian Albums (RPM) |
4 |
| New Zealand Albums (RMNZ) |
34 |
| US Albums (Billboard 200) |
16 |
| Chart 1980 | Rank |
| Canadian Albums (RPM) |
81 |
| US Albums (Billboard 200) |
72 |