1ST ALBUM by JANG YOON-JEONG (장윤정) has sold 51,826 copies in Korea.
1ST ALBUM certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
51,826 | RIAK / Gaon charts |
Korea Sales: 51,826
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 51,826 | (in 1 country) |
Total
Sales: 51,826
(in 1 country)
|
Year-end chart performance for 1ST ALBUM
| Chart 2002 | Rank | Sales |
| South Korean Albums (Gaon) |
97 | 51,912 |
| Chart 2005 | Rank | Sales |
| South Korean Albums (Gaon) |
43 | 40,804 |