As of June 2026, the richest person in Japan is Masayoshi Son with an estimated net worth of $73.0B (Telecom, Investments). Japan has 40 billionaire(s) on Forbes' Real-Time Billionaires list; the full ranking is below and updates automatically.
Key takeaways
- Richest in Japan: Masayoshi Son — $73.0B.
- Japan has 40 Forbes billionaire(s), worth $239.4B combined.
- Source: Forbes Real-Time Billionaires, auto-updated June 2026.



Top 40 Richest People in Japan 2026 — full list
| # | Name | Net worth | Source |
|---|---|---|---|
| 1 | Masayoshi Son | $73.0B | Telecom, Investments |
| 2 | Tadashi Yanai & family | $70.2B | Fashion retail |
| 3 | Takemitsu Takizaki | $22.6B | Sensors |
| 4 | Yasumitsu Shigeta | $5.7B | Mobile phone retailer |
| 5 | Takao Yasuda | $4.4B | Retail |
| 6 | Masahiro Miki | $3.8B | Shoes |
| 7 | Akira Mori & family | $3.8B | Real estate |
| 8 | Takahisa Takahara | $3.6B | Personal care goods |
| 9 | Hiroshi Mikitani | $3.3B | Online retail |
| 10 | Masahiro Noda | $2.9B | Software |
| 11 | Yuji Otsuka | $2.8B | Copy machines, software |
| 12 | Kagemasa Kozuki | $2.8B | Video games |
| 13 | Shigenobu Nagamori | $2.5B | Motors |
| 14 | Masaaki Arai | $2.3B | Real estate |
| 15 | Akio Nitori | $2.2B | Home furnishings |
| 16 | Katsumi Tada | $2.2B | Real estate |
| 17 | Hiroshi Ishibashi | $2.0B | Tires |
| 18 | Masateru Uno & family | $1.8B | Drugstores |
| 19 | Fumio Sakiya | $1.8B | Manufacturing |
| 20 | Yasuhiro Fukushima | $1.7B | Video games |
| 21 | Fumio Kaneko | $1.7B | Waste management |
| 22 | Yoshiaki Yoshida | $1.6B | Cosmetics |
| 23 | Yusaku Maezawa | $1.5B | Online retail |
| 24 | Hisao Nagata | $1.4B | Retail |
| 25 | Nobutada Saji | $1.3B | Beverages |
| 26 | Tsuyoshi Matsushita | $1.2B | fitness products |
| 27 | Shintaro Tsuji | $1.2B | Hello Kitty |
| 28 | Yasuhide Uno | $1.1B | Payment services |
| 29 | Eiichi Kuriwada | $1.1B | Package delivery |
| 30 | Junro Ito | $1.1B | Retail |
| 31 | Hisako Yamamoto | $1.1B | Retail |
| 32 | Yasuhisa Ito | $1.1B | Retail |
| 33 | Hajime Satomi | $1.1B | Video games, Pachinko |
| 34 | Kenzo Tsujimoto | $1.1B | Video games |
| 35 | Hiroyuki Inoue | $1.1B | Steel products |
| 36 | Hideyuki Busujima | $1.1B | Pachinko machines |
| 37 | Shigefumi Wada | $1.1B | Software |
| 38 | Ryuji Arai | $1.1B | Electronics Retail |
| 39 | Keiko Erikawa | $1.0B | Video games |
| 40 | Yoichi Erikawa | $1.0B | Video games |
Source: Forbes Real-Time Billionaires — auto-updated June 2026. Net worth changes daily; verify before citing.
How this ranking works
This list shows every Japan citizen on Forbes' Real-Time Billionaires feed, ranked by net worth. Forbes re-estimates each fortune as markets move; private-company stakes are estimates, so figures vary by day. Last updated June 2026.
Frequently asked questions
Who is the richest person in Japan?
Masayoshi Son — $73.0B (Forbes, June 2026).
How many billionaires does Japan have?
40 on Forbes' current real-time list.

