Incumbents
- Emperor: Akihito
- Prime Minister: Keizo Obuchi (L–Gunma) until April 5, Yoshiro Mori (L–Ishikawa)
- Chief Cabinet Secretary: Mikio Aoki (Councillor, L–Shimane) until July 4, Hidenao Nakagawa (L–Hiroshima) until October 27, Yasuo Fukuda (L–Gunma)
- Chief Justice of the Supreme Court: Shigeru Yamaguchi
- President of the House of Representatives: Sōichirō Itō (L–Miyagi) until June 2, Tamisuke Watanuki (L–Toyama) from July 4
- President of the House of Councillors: Jūrō Saitō (L–Mie) until October 19, Yutaka Inoue (L–Chiba)
- Diet sessions: 147th (regular, January 20 to June 2), 148th (special, July 4 to July 6), 149th (extraordinary, July 28 to August 9), 150th (extraordinary, September 21 to December 1)
Read more about this topic: 2000 In Japan