4 by FOREIGNER has sold 7,356,120 copies in 7 countries. The album sold best in United States (6,190,000 copies), Germany (500,000 copies) and Canada (400,000 copies).
4 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
400,000 | 4x Platinum | 1982 |
Canada Sales: 400,000
Certification / note: 4x Platinum
Certification Date / sales as of: 1982
|
 France |
100,000 | 1x Gold | 1982 |
France Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 1982
|
 Germany |
500,000 | 1x Platinum | 1984 |
Germany Sales: 500,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1984
|
 Japan |
51,120 | Oricon charts |
Japan Sales: 51,120
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 Portugal |
15,000 | 1x Silver | 1982 |
Portugal Sales: 15,000
Certification / note: 1x Silver
Certification Date / sales as of: 1982
|
 United Kingdom |
100,000 | 1x Gold | 6 April, 1982 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 6 April, 1982
|
 United States |
6,190,000 | 6x Platinum | 29 August, 1991 |
United States Sales: 6,190,000
Certification / note: 6x Platinum
Certification Date / sales as of: 29 August, 1991
|
| Total sales | 7,356,120 | (in 7 countries) |
Total
Sales: 7,356,120
(in 7 countries)
|
Year-end chart performance for 4
| Chart 1981 | Rank |
| Canadian Albums (RPM) |
8 |
| German Albums (Offizielle Top 100) |
56 |
| US Albums (Billboard 200) |
70 |
| Chart 1982 | Rank |
 Australian Albums (Kent Music Report) |
15 |
| Canadian Albums (RPM) |
17 |
| German Albums (Offizielle Top 100) |
3 |
| UK Albums (Music Week) |
29 |
| US Albums (Billboard 200) |
3 |