Skip to content
小泉 進次郎
DietCriticalCurrently serving

小泉 進次郎

こいずみ しんじろう

KOIZUMI Shinjiro

防衛大臣Minister of Defense

自民党衆議院· House of Representatives神奈川11· Kanagawa 11th District自由民主党・無所属の会· Liberal Democratic Party and Association of Independents7 terms

Born 1981-04-14 · 神奈川県横須賀市 (Yokosuka City, Kanagawa Prefecture)

Policy issues

Agricultural PolicyDefense PolicyFood Security & Supply

Current positions

Government Positions

  • 防衛大臣
    Minister of Defense

Career & history

Government Posts

  1. Feb 2026防衛大臣に再任[1][2][3][4][5]
    Reappointed as the Minister of Defense
  2. Oct 2025防衛大臣に就任[1][2][3][4][5][6]
    Appointed as the Minister of Defense
  3. May 2025農林水産大臣に就任[1][2][3][4][5]
    Appointed as the Minister of Agriculture, Forestry and Fisheries
  4. Mar 2021気候変動担当大臣を兼務[1][2][3][4]
    Appointed concurrently as the Minister in charge of Climate Change
  5. Sep 2020環境大臣 兼 内閣府特命担当大臣（原子力防災）に再任[1][2][3][4][5][6]
    Reappointed as Minister of the Environment and Minister of State for Nuclear Emergency Preparedness
  6. Sep 2019環境大臣 兼 内閣府特命担当大臣（原子力防災）に就任[1][2][3][4][5][6][7]
    Appointed as Minister of the Environment and Minister of State for Nuclear Emergency Preparedness
  7. Sep 2013内閣府大臣政務官 兼 復興大臣政務官に就任[1][2][3][4][5][6][7]
    Appointed as Parliamentary Vice-Minister of Cabinet Office and Parliamentary Vice-Minister for Reconstruction

Party Posts

  1. Jan 2025自由民主党新しい資本主義実行本部事務局長に就任[1][2][3]
    Appointed as the Chief Secretary of the Headquarters for Achieving New Capitalism, LDP
  2. Nov 2024自由民主党水産総合調査会会長に就任[1][2][3]
    Appointed as the Chairperson of the Research Commission on Fishery Policies, LDP
  3. Nov 2024自由民主党政治改革本部事務局長に就任[1][2][3]
    Appointed as the Chief Secretary of the Headquarters for Political Reform, LDP
  4. Sep 2024自由民主党選挙対策委員長に就任[1][2][3][4]
    Appointed as the Chairperson of the Election Strategy Committee, LDP
  5. Sep 2022自由民主党国会対策委員会副委員長に就任[1][2][3][4]
    Appointed as the Deputy Chairperson of the Diet Affairs Committee, LDP
  6. Apr 2022自由民主党神奈川県支部連合会会長に就任[1][2][3][4]
    Appointed as the Chairperson of the LDP Kanagawa Prefecture Branches
  7. Nov 2021自由民主党総務会長代理に就任[1][2][3][4]
    Appointed as the Acting Chairperson of the General Council, LDP
  8. Oct 2018自由民主党厚生労働部会長に就任[1][2][3][4][5]
    Appointed as the Director of the Health, Labor and Welfare Division, LDP
  9. Aug 2017自由民主党筆頭副幹事長に就任[1][2][3][4][5]
    Appointed as the Chief Deputy Secretary-General of the LDP
  10. Oct 2015自由民主党農林部会長に就任[1][2][3][4][5]
    Appointed as the Director of the Agriculture and Forestry Division, LDP
  11. Oct 2011自由民主党青年局長に就任[1][2][3][4]
    Appointed as the Director of the LDP Youth Division
  12. Oct 2008自由民主党神奈川県第11選挙区支部長に就任[1][2][3]
    Appointed as the Chairperson of the LDP Kanagawa 11th District Branch

Committee Chairs

  1. Nov 2024衆議院経済産業委員会筆頭理事に就任[1][2][3]
    Appointed as the Director of the Standing Committee on Economy, Trade and Industry, House of Representatives
  2. Jan 2024衆議院安全保障委員長に就任[1][2][3][4][5]
    Appointed as the Chair of the Standing Committee on National Security, House of Representatives
  3. Oct 2023衆議院安全保障委員会筆頭理事に就任[1][2][3][4]
    Appointed as the Director of the Standing Committee on National Security, House of Representatives

Professional Career

  1. Sep 2007衆議院議員小泉純一郎氏の秘書を務める[1][2][3][4][5][6]
    Served as a secretary to Member of the House of Representatives Koizumi Junichiro
  2. Jun 2006米国戦略国際問題研究所（CSIS）研究員に就任[1][2][3][4][5][6]
    Appointed as a researcher at the Center for Strategic and International Studies (CSIS)

Education

  1. May 2006米国コロンビア大学大学院政治学部を修了、政治学修士号を取得[1][2][3][4][5][6]
    Completed the Graduate School of Arts and Sciences at Columbia University, USA, earning a Master of Arts in Political Science
  2. Mar 2004関東学院大学経済学部を卒業[1][2][3][4][5]
    Graduated from the College of Economics, Kanto Gakuin University

Other

  1. Feb 2026第51回衆議院議員総選挙にて7期目の当選[1][2][3][4][5][6]
    Elected for a seventh term in the 51st general election
  2. Oct 2024第50回衆議院議員総選挙にて6期目の当選[1]
    Elected for a sixth term in the 50th general election
  3. Oct 2021第49回衆議院議員総選挙にて5期目の当選[1]
    Elected for a fifth term in the 49th general election
  4. Oct 2017第48回衆議院議員総選挙にて4期目の当選[1][2]
    Elected for a fourth term in the 48th general election
  5. Dec 2014第47回衆議院議員総選挙にて3期目の当選[1][2]
    Elected for a third term in the 47th general election
  6. Dec 2012第46回衆議院議員総選挙にて2期目の当選[1][2]
    Elected for a second term in the 46th general election
  7. Aug 2009第45回衆議院議員総選挙にて初当選[1][2][3][4][5][6]
    Elected to the House of Representatives for the first time in the 45th general election
  8. Apr 14, 1981神奈川県横須賀市に生まれる[1][2][3][4][5][6][7]
    Born in Yokosuka City, Kanagawa Prefecture

Elections

ElectionDateConstituencyPartyResultVotesRateSource
第51回衆議院議員選挙　2026年
51st House of Representatives election 2026
2026-02-08
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected149,02979.50%
第50回衆議院議員選挙　2024年
50th House of Representatives election 2024
2024-10-27
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected129,77972.40%
第49回衆議院議員選挙
49th House of Representatives election
2021-10-31
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected147,63479.20%
第48回衆議院議員選挙
48th House of Representatives election
2017-10-22
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected154,76178.00%
第47回衆議院議員選挙
47th House of Representatives election
2014-12-14
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected168,95383.30%
第46回衆議院議員選挙
46th House of Representatives election
2012-12-16
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected184,36079.90%
第45回衆議院議員選挙
45th House of Representatives election
2009-08-30
神奈川11区
Kanagawa 11th District
自由民主党
Liberal Democratic Party
Elected150,893—

Offices

Diet Office

衆議院第一議員会館
衆議院第一議員会館
Room
314
Phone
03-3508-7327
Fax
非公開

自由民主党神奈川県第十一選挙区支部

神奈川県横須賀市小川町13 宇野ビル3階
3F Uno Bldg., 13 Ogawamachi, Yokosuka-shi, Kanagawa

Web & social