I AM by EARTH, WIND & FIRE has sold 2,657,370 copies in 6 countries. The album sold best in United States (2,000,000 copies), United Kingdom (300,000 copies) and Japan (149,870 copies).
I AM certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
100,000 | 1x Platinum | 1979 |
Canada Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1979
|
 Japan |
149,870 | Oricon charts |
Japan Sales: 149,870
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 Netherlands |
100,000 | 1x Platinum | 1979 |
Netherlands Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1979
|
 New Zealand |
7,500 | 1x Gold |
New Zealand Sales: 7,500
Certification / note: 1x Gold
Certification Date / sales as of:
|
|
 United Kingdom |
300,000 | 1x Platinum | 16 November, 1979 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 16 November, 1979
|
 United States |
2,000,000 | 2x Platinum | 26 October, 1984 |
United States Sales: 2,000,000
Certification / note: 2x Platinum
Certification Date / sales as of: 26 October, 1984
|
| Total sales | 2,657,370 | (in 6 countries) |
Total
Sales: 2,657,370
(in 6 countries)
|
Year-end chart performance for I AM
| Chart 1979 | Rank | Sales |
| Canadian Albums (RPM) |
13 | |
| Dutch Albums (Album Top 100) |
26 | |
| Japanese Albums (Oricon) |
42 | 114,000 |
| New Zealand Albums (RMNZ) |
40 | |
| UK Albums (Music Week) |
17 | |
| US Albums (Billboard 200) |
65 |