Kyodo via Yahoo: No. of Japanese billionaires rises to 24; Tsutsumi ranked 149th
Forbes magazine's annual issue of the world's billionaires released Thursday shows a return of two Japanese billionaires and the addition of another, bringing the list of Japanese billionaires to 24 this year. Yasumitsu Shigeta, the 40-year-old chairman of Hikari Tsushin Inc., is back after the tech bubble burst in 2000 and ranks 228th this year with $2.6 billion in personal assets. Major commercial and industrial loan company SFCG Co. President Kenshin Oshima, 57, also made the list again, placing 488th with $1.4 billion...Han Chang Woo, 74, is the new name ranking in at 584th with a $1.1 billion fortune made from pachinko parlors....Yoshiaki Tsutsumi, former Kokudo Corp. chairman who has been arrested on suspicion of insider trading and once the world's richest man, placed 149th with $3.7 billion...Suntory Ltd. President Nobutada Saji retained his reign as Japan's richest billionaire for the second year running with $5.8 billion. He placed 77th.

Ok here is a question. What percentage of there income did these billionare pay in taxes?