I - THE 1ST MINI ALBUM by TAEYEON (태연) has sold 142,930 copies in Korea.
I - THE 1ST MINI ALBUM certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
142,930 | RIAK / Gaon charts |
Korea Sales: 142,930
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 142,930 | (in 1 country) |
Total
Sales: 142,930
(in 1 country)
|
Year-end chart performance for I - THE 1ST MINI ALBUM
| Chart 2015 | Rank | Sales |
| South Korean Albums (Gaon) |
16 | 119,576 |
| Chart 2016 | Rank | Sales |
| South Korean Albums (Gaon) |
93 | 23,354 |