Big Mama is a girl group formed by YG Entertainment in 2003 and currently under Kakao M with members Shin Yeon Ah, Lee Young Hyun, Lee Ji Young, and Park Min Hye, the group has sold more than 567K physical copies in South Korea.
Here is a summary of their sales in the country.
Korean Discography: 567,521 copies sold
Like The Bible
Format: 1st Full Album
Release Date: February 7th, 2003
1st Month Sales (MIAK): 10,217 copies sold (#30)
Total Sales in South Korea (MIAK): 338,389 copies sold
323,019 copies sold in 2003
15,370 copies sold in 2004
It's Unique
Format: 2nd Full Album
Release Date: May 18th, 2005
1st Month Sales (MIAK): 70,816 copies sold (#3)
Total Sales in South Korea (MIAK): 163,442 copies sold
163,442 copies sold in 2005
Format: Compilation Album
Release Date: November 24th, 2005
1st Month Sales (MIAK): 8,942 copies sold (#17)
Total Sales in South Korea (MIAK): 21,336 copies sold
21,336 copies sold in 2005
For The People
Format: 3rd Full Album
Release Date: October 13th, 2006
1st Month Sales (MIAK): 25,020 copies sold (#6)
Total Sales in South Korea: 37,406 copies sold
35,562 copies sold in 2006
1,780 copies sold in 2007
64 copies sold in 2011
For The Christmas
Format: Compilation Album
Release Date: November 27th, 2006
1st Month Sales (MIAK): 4,323 copies sold (#22)
Total Sales in South Korea (MIAK): 6,948 copies sold
6,948 copies sold in 2006