10. Wataru Takeshita
Wataru Takeshita is the Japanese politician and he is ranked at No. 10 in the list of top 10 richest politician of Japan with an estimated net worth of 25 million Yen. He represents the Democratic Liberal Party in the Japanese house of representative and was first elected in the 2000. Currently he is served as the reconstruction minister under the cabinet of PM Shinzo Abe.