Topic summary
Occupation of Japan

De jure map of Japan under Allied occupation.
- The Japanese archipelago, placed under the authority of the Supreme Commander for the Allied Powers (de facto United States), effective 1945–1952.
- Japanese Taiwan and its Spratly Islands, placed under the authority of the Republic of China.
- Karafuto Prefecture and the Kuril Islands, placed under the authority of the Soviet Union.
- Japanese Korea south of the 38th parallel north, placed under the authority of the United States Army Military Government in Korea, granted independence in 1948 as the Republic of Korea (South Korea).
- The Kwantung Leased Territory, a Japanese colony occupied by the Soviet Union 1945–1955, returned to the People's Republic of China in 1955.
- Japanese Korea north of the 38th parallel north, placed under the authority of the Soviet Civil Administration, granted independence in 1948 as the Democratic People's Republic of Korea (North Korea)
- The South Seas Mandate, a Japanese colony in the name of the League of Nations, occupied by the United States 1945–1947, converted into the Trust Territory of the Pacific Islands of the United Nations under the US administration in 1947.
- Douglas MacArthur (1945–1951)
- Matthew Ridgway (1951–1952)
- Prince Naruhiko (1945)
- KijūrŠShidehara (1945–1946)
- Shigeru Yoshida (1946–1947; 1948–1954)
- Tetsu Katayama (1947–1948)
- Hitoshi Ashida (1948)
- Surrender ceremony held
- New constitution adopted
- Treaty of San Francisco signed