I / Y by KIM JAEJOONG (김재중) has sold 210,074 copies in Korea.
I / Y certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
210,074 | RIAK / Gaon charts |
Korea Sales: 210,074
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 210,074 | (in 1 country) |
Total
Sales: 210,074
(in 1 country)
|
Year-end chart performance for I / Y
| Chart 2013 | Rank | Sales |
| South Korean Albums (Gaon) Repackage Y |
35 | 62,000 |
| South Korean Albums (Gaon) First issue I |
13 | 148,074 |