Koizumi Shinjiro: Minister of Defense, Japan
Koizumi Shinjiro is Minister of Defense in the government of Japan, according to Prime Minister's Office of Japan (Cabinet Secretariat).
Posts held
- Minister of Defense, Japan. Part of level 6: National government.
Source: List of Ministers | Cabinet | Prime Minister's Office of Japan, list dated 15 October 2026, read 2 November 2026 (saved copy).
Where Koizumi Shinjiro sits in the ladder of power
As minister of defense, Koizumi Shinjiro works at level 6: National government, above the regions, states and councils of Japan (regions, cities).
Above that, Japan is a member of:
- G7 level 10
- G20 level 10
- United Nations (General Assembly and Security Council) level 8
- International Monetary Fund level 9
- World Bank Group level 9
Who else holds power in Japan
- The Emperor of Japan Emperor, Japan
- Takaichi Sanae Prime Minister of Japan, Japan
- Motegi Toshimitsu Minister for Foreign Affairs of Japan, Japan
Where these facts come from
Every post above is copied from an official record, linked beside it with the date it was read. The UN Protocol and Liaison Service publishes the list governments give it of their head of state, head of government and foreign minister. Names are as the source prints them, without honorifics. How this site is made.
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