8. Yoichi Miyazawa
Yoichi Miyazawa is politically affiliated with the Democratic Liberal Party. He is the former member of the Japanese house of representative and elected from the 7th district of Hiroshima.
Currently he is the member of the House of Councilor from Hiroshima. He is the son of ex-justice minister Miyazawa Hiroshi and nephew of the late PM Kiichi Miyazawa.
Yoichi is graduated from the Tokyo University and receives the degree of MPA from the Harvard University during his ministry. Yoichi Miyazawa estimated net worth is 30 million dollars and he is ranked at No. 8 in the list of top 10 richest politicians of Japan.