I ROBOT by ALAN PARSONS has sold 1,560,000 copies in Canada, Germany, Spain, United Kingdom and United States.
I ROBOT certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
200,000 | 2x Platinum | 1979 |
Canada Sales: 200,000
Certification / note: 2x Platinum
Certification Date / sales as of: 1979
|
 Germany |
250,000 | 1x Gold | 1979 |
Germany Sales: 250,000
Certification / note: 1x Gold
Certification Date / sales as of: 1979
|
 Spain |
50,000 | 1x Gold | 1983 |
Spain Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 1983
|
 United Kingdom |
60,000 | 1x Silver | 1 January,1978 |
United Kingdom Sales: 60,000
Certification / note: 1x Silver
Certification Date / sales as of: 1 January,1978
|
 United States |
1,000,000 | 1x Platinum | 25 October, 1978 |
United States Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 25 October, 1978
|
| Total sales | 1,560,000 | (in 5 countries) |
Total
Sales: 1,560,000
(in 5 countries)
|
Year-end chart performance for I ROBOT
| Chart 1977 | Rank |
| Canadian Albums (RPM) |
68 |
 New Zealand Albums (RMNZ) |
24 |
| Chart 1978 | Rank |
| German Albums (Offizielle Top 100) |
10 |
| New Zealand Albums (RMNZ) |
41 |
| Chart 1979 | Rank |
| German Albums (Offizielle Top 100) |
23 |