About Hiroyuki Hosoda
Lived 1944 – 2023 (aged 79). Hiroyuki Hosoda was a Japanese politician and secretary.
Hiroyuki Hosoda (細田 博之, Hosoda Hiroyuki; 5 April 1944 – 10 November 2023) was a Japanese politician who served as the speaker of the House of Representatives of Japan from November 2021 to October 2023. He was a member of the House of Representatives from 1990, and served as Chief Cabinet Secretary in Junichiro Koizumi's cabinet from 2004 to 2005, and as Secretary-General of the Liberal Democratic Party from 2008 to 2009.
Early life Hiroyuki Hosoda was born in Matsue, Shimane Prefecture on 5 April 1944. He graduated from the law faculty of the University of Tokyo, and worked at the Ministry of International Trade and Industry from 1967 to 1986, serving as Director of the Washington Office of Japan National Oil Corporation from 1983 to 1985, and as Director of the Price Policy Division in the Industrial Policy Bureau from 1985 to 1986.
Hosoda enjoyed playing contract bridge. when he resigned following the party's historic defeat in the 2009 general election.
Abe government Following Shinzo Abe's victory in the 2012 LDP presidential election, Abe appointed Hosoda to head the Seiwa Seisaku Kenkyukai (Seiwa-kai), the largest faction in the party, replacing Nobutaka Machimura. The faction is now commonly known as the "Hosoda faction".
Hosoda briefly served as Acting LDP Secretary-General following Sadakazu Tanigaki's hospitalization for a spinal cord injury in July 2016. In August 2016, Hosoda was appointed Chairman of the LDP General Council.
Hosoda chaired the LDP's 2018 task force on reforming the Constitution of Japan, drawing up a four-point revision proposal in March 2018 that included an amendment to Article 9 to make explicit reference to the Self-Defense Forces. Abe named Hosoda as head of the LDP Headquarters for the Promotion of Revision of the Constitution in September 2019, replacing Hakubun Shimomura, who was viewed as more "dogmatic" than Hosoda and had antagonized opposition parties.
Hosoda was a member of the LDP Parliamentary Group on the Promotion and Conservation of Japanese Sword and Ironwork Culture, which supported subsidies for Tatara steel.
Kishida government
After the 2021 Japanese general election, Hosoda, at 77 years old, was elected as Speaker of the Lower House. After he was twice hospitalized over the summer months in 2023, Hosoda stepped down as the Lower House Speaker due to health problems. The House of Representatives accepted the resignation and Fukushiro Nukaga was elected on 20 October to take over as Hosoda's replacement.
Death On 10 November 2023, Hosoda died of multiple organ failure at the hospital in Tokyo, at the age of 79, just one month after he resigned from the House of Representatives. After stepping down as chairman, Hosoda was reportedly hospitalized and absent from plenary sessions, but says that his condition suddenly deteriorated the day before his death.
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Important facts
People in Hiroyuki Hosoda's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Hiroyuki Hosoda's
Frequently asked questions
Who was Hiroyuki Hosoda?
Japanese politician (1944–2023)
When was Hiroyuki Hosoda born?
Hiroyuki Hosoda was born on 5 April 1944 in Matsue.
When did Hiroyuki Hosoda die?
Hiroyuki Hosoda died on 10 November 2023 in Tokyo.
What was Hiroyuki Hosoda's occupation?
Hiroyuki Hosoda was a politician and secretary.
What nationality was Hiroyuki Hosoda?
Hiroyuki Hosoda was Japanese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Hiroyuki Hosoda. https://biography.guide/hiroyuki-hosoda/
MLA: "Hiroyuki Hosoda." Biography.guide, https://biography.guide/hiroyuki-hosoda/.
Chicago: "Hiroyuki Hosoda." Biography.guide. https://biography.guide/hiroyuki-hosoda/.
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