richest man in japan contradiction as of yamauchi is the richest person in japan and th richest person in the world having a net worth of approximately billion he is currently the third richest man in japan due to his shares in nintendo since their success with the wii and nintendo ds consoles these are quoted from the beginning and end of the article repectively i understand that they are technically both correct as of vs currently however it would probably be clearer to state merely one or the other