1964 in Japan - Incumbents

Incumbents

• Emperor: Hirohito
• Prime Minister: Hayato Ikeda (L–Hiroshima, 3rd term) until November 9, Eisaku Satō (L–Yamaguchi)
• Chief Cabinet Secretary: Yasumi Kurogane (L–Yamagata) until July 18, Zenkō Suzuki (L–Iwate) until November 9, Tomisaburō Hashimoto (L–Ibaraki)
• Chief Justice of the Supreme Court: Kisaburō Yokota
• President of the House of Representatives: Naka Funada (L–Tochigi)
• President of the House of Councillors: Yūzō Shigemune (L–national)
• Diet sessions: 46th (regular session opened in December 1963, to June 26), 47th (extraordinary, November 9 to December 18), 48th (regular, December 21 to 1965, June 1)