The average annual income of the top 10 minor building owners is 16.56 million yen in South Korea.

In South Korea, there are 390 presidents who are minors, including junior high school students with annual incomes of 280 million won (approximately 30.91 million yen) and elementary school and high school students with monthly incomes in the 10 million won (approximately 1.1 million yen) range.