List of Japanese by net worth
# Name Age Net Worth Source of Wealth
1 Tadashi Yanai & family 63 US $ 10.6 billion Fast Retailing
2 Nobutada Saji & family 66 US $ 7.9 billion Suntory
3 Masayoshi Son 54 US $ 6.9 billion Softbank
4 Hiroshi Mikitani 47 US $ 6.3 billion Rakuten
5 Kunio Busujima & family 86 US $ 5.7 billion Sankyo
6 Takemitsu Takizaki 66 US $ 4 billion Keyence
7 Yoshikazu Tanaka 35 US $ 3.5 billion GREE , Inc
8 Akira Mori & family 75 US $ 3.2 billion Mori Trust
9 Keiichiro Takahara 81 US $ 2.9 billion Unicharm
10 Han Chang-Woo & family 81 US $ 2.8 billion Maruhan
11 Hiroshi Yamauchi 84 US $ 2.7 billion Nintendo
12 Masatoshi Ito 87 US $ 2.6 billion Seven & I Holdings Co
13 Eitaro Itoyama 69 US $ 2.5 billion Shin Nihon Kanko
14 Masahiro Miki 56 US $ 2.4 billion ABC-Mart
15 Hiroko Takei & family 70 US $ 2 billion Takefuji
16 Katsumi Tada 66 US $ 1.9 billion Daito Trust Construction
17 Shigenobu Nagamori 67 US $ 1.8 billion Nidec
18 Kazuo Okada & family 69 US $ 1.6 billion Universal Entertainment Corporation
19 Soichiro Fukutake 66 US $ 1.5 billion Benesse
20 Kanazawa brothers US $ 1.4 billion Sanyo Bussan
2012
Based on Forbes Japan 's Richest 2012
This list shows the richest Japanese citizens by net worth, based on the list published by Forbes annually.