Taeyeon, is the leader of  KPop's National Girl Group, "Girls' Generation" that debuted in 2007. one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide. Referred to as the "OST Queen" who has Unrivaled Vocals, Taeyeon debuted as a Soloist in October 7, 2015, she has sold over 1 Million physical copies combined between South Korea and Japan.

Here is a summary of her sales.

Korean Discography: 1,006,341 copies sold


I
Format: 1st Mini Album
Release Date: October 7, 2015
1st Day Sales (Hanteo): 12,535 copies sold
1st Week Sales (Hanteo): 54,667 copies sold
Total Sales in South Korea (Gaon): 155,426 copies sold
119,576 copies sold in 2015
23,354 copies sold in 2016
10,572 copies sold in 2017
1,924 copies sold in 2019


Why
Format: 1st Mini Album
Release Date: June 28, 2016
1st Day Sales (Hanteo): 5,741 copies sold
1st Week Sales (Hanteo): 55,810 copies sold
Total Sales in South Korea (Gaon): 155,426 copies sold
119,576 copies sold in 2015
23,354 copies sold in 2016
10,572 copies sold in 2017
1,924 copies sold in 2019


My Voice
Format: 1st Korean Album
Release Date: February 28, 2017
1st Day Sales (Hanteo): 14,596 copies sold
1st Week Sales (Hanteo): 86,906 copies sold
Total Sales in South Korea (Gaon): 155,426 copies sold
141,200 copies sold in 2017
1,694 copies sold in 2018


My Voice Deluxe Edition
Format: Repackaged Album
Release Date: April 5, 2017
1st Day Sales (Hanteo): 8,695 copies sold
1st Week Sales (Hanteo): 34,200 copies sold
Total Sales in South Korea (Gaon): 84,233 copies sold
77,188 copies sold in 2017
1,861 copies sold in 2018
4,502 copies sold in 2019
862 copies sold in 2020


This Christmas - Winter Is Coming
Format: Special Mini Album
Release Date: December 12, 2017
1st Day Sales (Hanteo): 15,166 copies sold
1st Week Sales (Hanteo): 38,000 copies sold
Total Sales in South Korea (Gaon): 69,099 copies sold
69,099 copies sold in 2017


Something New
Format: 3rd Mini Album
Release Date: June 18, 2018
1st Day Sales (Hanteo): 6,590 copies sold
1st Week Sales (Hanteo): 42,152 copies sold
Total Sales in South Korea (Gaon): 71,238 copies sold
70,400 copies sold in 2018
838 copies sold in 2021


Purpose
Format: 2nd Korean Album
Release Date: October 28, 2019
1st Day Sales (Hanteo): 96,749 copies sold
1st Week Sales (Hanteo): 132,818 copies sold
Total Sales in South Korea (Gaon): 171,914 copies sold
165,739 copies sold in 2019
5,071 copies sold in 2020
1,104 copies sold in 2021

Unpublished by Gaon 2010 — July 2019 : 14,239


Purpose
Format: Repackage Album
Release Date: January 15, 2020
1st Day Sales (Hanteo): 3,756 copies sold
1st Week Sales (Hanteo): 24,198 copies sold
Total Sales in South Korea (Gaon): 50,109 copies sold
48,604 copies sold in 2020
1,104 copies sold in 2021


What Do I Call You
Format: 4th Mini Album
Release Date: December 15, 2020
1st Day Sales (Hanteo): 57,163 copies sold
1st Week Sales (Hanteo): 87,299 copies sold
Total Sales in South Korea (Gaon): 125,044 copies sold
99,065 copies sold in 2020
25,979 (including the LP version) copies sold in 2021


Japanese Discography: 24,408 copies sold



VOICE
Format: 1st Japan Mini Album
Release Date: May 13, 2019
Total Sales in South Korea (Oricom): 18,886 copies sold


#GirlsSpkOut
Format: 1st Japan Mini Album
Release Date: May 13, 2019
Total Sales in South Korea (Oricom): 5,542 copies sold

Overall Discography: 1,031,149 copies sold