The politics of Japan are conducted in a framework of a dominant-party bicameral parliamentary representative democratic constitutional monarchy. A hereditary monarch, currently Emperor Naruhito, serves as head of state while the Prime Minister of Japan, currently Shigeru Ishiba since 2024, serves as the elected head of government.
The Cabinet of Japan is the chief executive body of the government of Japan. It consists of the prime minister, who is appointed by the Emperor after being nominated by the National Diet, in addition to up to nineteen other members, called ministers of state. The current cabinet is Ishiba Cabinet, which was formed on 1 October 2024, is led by the prime minister Shigeru Ishiba. The country has had a Liberal Democratic–Komeito coalition cabinet since 2012.
Mikio Aoki was a Japanese politician who served as the Chief Cabinet Secretary from 1999 to 2000, and was briefly acting prime minister following Keizō Obuchi's coma. A member of the Liberal Democratic Party (LDP), he also served as the Chairman of the LDP in the House of Councillors.
Shigeru Ishiba is a Japanese politician serving as Prime Minister of Japan and President of the Liberal Democratic Party (LDP) since 2024. He has been a member of the House of Representatives since 1986 and has served as Minister of Defense from 2007 to 2008 and Minister of Agriculture, Forestry and Fisheries from 2008 to 2009, as well as being the Secretary-General of the LDP from 2012 to 2014.
Tarō Asō is a Japanese politician who served as Prime Minister of Japan from 2008 to 2009. A member of the Liberal Democratic Party (LDP), he also served as Deputy Prime Minister and Minister of Finance from 2012 to 2021. He was the longest-serving Deputy Prime Minister and Minister of Finance in Japanese history, having previously served as Minister for Foreign Affairs from 2005 to 2007 and as Minister for Internal Affairs and Communications from 2003 to 2005. He leads the Shikōkai faction within the LDP.
Gen Nakatani is a Japanese politician who was Director General of the Japan Defense Agency in the first cabinet of former Prime Minister Junichiro Koizumi in 2001-2002 and was appointed the Minister of Defense by former Prime Minister Shinzo Abe in 2014. Nakatani was again named to the position of Minister of Defense for the cabinet of Shigeru Ishiba in 2024.
Toshimitsu Motegi is a Japanese politician who served as the Secretary-General of the Liberal Democratic Party from 2021 to 2024. He has previously served as Minister for Foreign Affairs from 2019 to 2021, and as Minister of Economy, Trade and Industry from 2012 to 2014. He is serving in the House of Representatives as a member of the Liberal Democratic Party. He leads the Heisei Kenkyūkai faction within the LDP.
Shinjirō Koizumi is a Japanese politician who served as the Minister of the Environment from September 2019 to October 2021. He also serves as a Member of the House of Representatives for the Liberal Democratic Party. He is the second son of former Prime Minister Junichiro Koizumi and the younger brother of actor Kotaro Koizumi.
Kazuhiko Aoki is a Japanese politician who serves as Deputy Chief Cabinet Secretary since 2024.
Ken Saitō is a member of the Liberal Democratic Party who has been the Minister of Economy, Trade and Industry since December 2023. Also serving in the Japanese House of Representatives, Saito served as the Minister of Justice from November 2022 to September 2023 and was the Minister of Agriculture, Forestry and Fisheries from August 2017 to October 2018.
Yuichiro Tamaki is a Japanese politician and the leader of the Democratic Party for the People (DPFP). He is a member of the House of Representatives, and a former leader of Kibō no Tō. Before joining Kibō, Tamaki was a member of the Democratic Party.
A presidential election was held on 20 September 2018 to elect the next president of the Liberal Democratic Party of Japan for a new 3-year term. Incumbent president Shinzo Abe was running for re-election after a rule change in 2017 that allowed him to run for a third term.
The 2020 Liberal Democratic Party of Japan presidential election was triggered by Shinzo Abe's announcement on 28 August 2020 that he would resign as President of the Liberal Democratic Party and Prime Minister of Japan, citing a relapse of his colitis. Voting took place on 14 September 2020 to elect the next president of the Liberal Democratic Party of Japan, three days before the National Diet was scheduled to hold a session to elect the new prime minister. Initially scheduled to be held in September 2021, incumbent LDP president and the longest-serving Prime Minister of Japan, Shinzo Abe, suddenly resigned on 28 August 2020, citing recent health concerns, prompting an election to select the President to serve the rest of Abe's term.
The president of the Liberal Democratic Party is the highest position within Japan's Liberal Democratic Party. The current holder of the position is Prime Minister of Japan, Shigeru Ishiba, who was elected to the position on 27 September 2024, following his victory in the party's presidential election. The previous leader, Fumio Kishida announced his resignation on 14 August 2024, thereby not seeking reelection.
The 50th general election of the House of Representatives was held in Japan on 27 October 2024 due to the early dissolution of the House of Representatives, the lower house of the National Diet, by Prime Minister Shigeru Ishiba. Voting took place in all constituencies, including proportional blocks, to elect all 465 members of the House of Representatives.
Shun'ichi Kuryu is a Japanese police officer who has served as Deputy Chief Cabinet Secretary since October 2021. He previously served as Commissioner General of the National Police Agency from 2018 to 2020.
Hideki Murai is a Japanese politician who served as Deputy Chief Cabinet Secretary from 2023 to 2024. A member of the Liberal Democratic Party. He has represented Saitama 1st district in the House of Representatives since 2012.
The 2024Liberal Democratic Party presidential election was held on 27 September 2024 to elect the next president of the Liberal Democratic Party of Japan for a three-year term.
Jirō Ishiba was a Japanese bureaucrat and politician who served as the governor of Tottori and as a member of the House of Councillors. He also held other high-ranking positions, including Minister of Home Affairs and Vice Minister of Construction. His son Shigeru Ishiba is the current Prime Minister of Japan.
Yoshiko Ishiba is the spouse of the current prime minister of Japan Shigeru Ishiba. She previously worked for Marubeni.
