Before revision: Name Net worth (USD) NationalitySource(s) of wealth20 billionSeibu Corporation15 billionMori Building Company 7.5 billionShuwa Corporation 7.0 billionReal estate 6.2 billionNational Commercial Bank Hans and 6.0 billionTetra Pak Paul Reichmann6.0 billionOlympia & York 5.6 billionReal estate 5.4 billion Thomson CorporationKeizo Saji4.0 billionSuntory Statistics The dot-com bubble created the most paper wealth for some billionaires.
After revision: Salim Ahmed bin MahfouzName Net worth (USD) NationalitySource(s) of wealth20 billionSeibu Corporation15 billionMori Building Company 7.5 billionShuwa Corporation 7.0 billionReal estate 6.2 billionNational Commercial Bank Hans and 6.0 billionTetra Pak Paul Reichmann6.0 billionOlympia & York 5.6 billionReal estate 5.4 billion Thomson CorporationKeizo Saji4.0 billionSuntory Statistics The dot-com bubble created the most paper wealth for some billionaires.