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Participants in World War II

In World War II, about 50 Allied nations joined forces against Germany, Japan, and the other Axis powers. Few countries remained totally neutral. The map below shows a colony or dependency in the same color as the country governing it.

map of nations that participated in World War II

The Axis
Nation

Albania
Bulgaria
Finland
Germany
Hungary
Italy
Japan
Romania
Thailand

Date Entered War

June 15, 1940
March 1, 1941
June 25, 1941
September 1, 1939
April 10, 1941
June 11, 1940
December 7, 1941
November 23, 1940
January 25, 1942

   
The Allies
Nation

Argentina
Australia
Belgium
Bolivia
Brazil
Canada
Chile
China
Colombia
Costa Rica
Cuba
Czechoslovakia
Dominican Republic
Ecuador
Egypt
El Salvador
Ethiopia
France
Great Britain
Greece
Guatemala
Haiti
Honduras
India
Iran
Iraq
Lebanon
Liberia
Luxembourg
Mexico
Mongolian People's Republic
Netherlands
New Zealand
Nicaragua
Norway
Panama
Paraguay
Peru
Poland
Russia
San Marino
Saudi Arabia
South Africa
Syria
Turkey
United States
Uruguay
Venezuela
Yugoslavia

Date Entered War

March 27, 1945
September 3, 1939
May 10, 1940
APril 7, 1943
August 22, 1942
September 10, 1939
April 11, 1945
December 8, 1941
November 26, 1943
December 8, 1941
December 9, 1941
December 16, 1941
December 8, 1941
February 2, 1945
February 24, 1945
December 8, 1941
December 14, 1942
September 3, 1939
September 3, 1939
October 28, 1940
December 9, 1941
December 8, 1941
December 8, 1941
September 3, 1939
August 25, 1941
January 17, 1943
February 27, 1945
January 27, 1944
May 10, 1940
May 22, 1942
August 9, 1945
May 10, 1940
September 3, 1939
December 11, 1941
April 9, 1940
December 7, 1941
February 7, 1945
February 12, 1945
September 1, 1939
June 22, 1941
September 21, 1944
March 1, 1945
September 6, 1939
June 8, 1941
February 23, 1945
December 8, 1941
February 15, 1945
February 15, 1945
April 6, 1941

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The Robinson Library >> World War II, 1939-1945

This page was last updated on 12/09/2018.