World War 2 Countries
Axis Powers (signers of the Tripartite Treaty)
Co-signers of the Tripartite Treaty
- Bulgaria (March 1st, 1941)
- Hungary (November 20th, 1940)
- Romania (November 23rd, 1940)
- Slovakia(1) (November 24th, 1940)
Countries that were annexed by, or at war with, Axis Powers before the World War II
- Austria (annexed to Germany, "Anschluss", March 13th, 1938)
- Ethiopia (annexed by Italy in 1936, after the Abyssinia crisis, independence restored in 1941)
- Republic of China (at war with Japan since 1931)
Allied Powers
- Australia
- Brazil
- Canada
- Newfoundland
- New Zealand
- South Africa
- Soviet Union (from June 1941)
- United Kingdom
- United States (from December 1941)
Supporters of the Allies
- Argentina
- Bolivia
- Chile
- Colombia
- Costa Rica
- Cuba
- Dominican Republic
- Ecuador
- Egypt(2)
- El Salvador
- Guatemala
- Haiti
- Honduras
- Iraq
- Lebanon
- Liberia
- Mexico
- Mongolia
- Nicaragua
- Panama
- Paraguay
- Peru
- Saudi Arabia
- Turkey
- Uruguay
- Venezuela
Countries that were attacked, occupied, or switched sides during the war
(Most countries below had declared their neutrality before being assaulted.)
- Algeria
- Albania (occupied by Italy April 7th 1939, by Germany September 26th 1943)
- Belgium (invaded by Germany May 10th 1940)
- Burma
- Czechoslovakia(1) (Bohemia and Moravia occupied by Germany March 15th 1939)
- Denmark (occupied by Germany April 9th 1940, Greenland occupied by USA April 9th 1941)
- Estonia (occupied by the Soviet Union from June 18th 1940, by Germany September 5th 1941, re-annexed by the Soviet Union in 1944)
- Finland (attacked by the Soviet Union November 30th 1939 and June 26th 1941)
- France (surrendered to Germany June 22nd 1940)
- Greece (invaded by Italy October 28th 1940, German occupation from April 6th 1941)
- Iceland (occupied by Great Britain May 10th 1940, by USA from July 1941)
- India
- Iran
- Latvia (occupied by the Soviet Union from June 18th 1940, by Germany June 25th 1941, re-annexed by the Soviet Union in 1944)
- Lithuania (occupied by the Soviet Union from June 18th 1940, by Germany June 22nd 1941, re-annexed by the Soviet Union in 1944)
- Luxembourg (invaded by Germany May 10th 1940)
- Morocco
- The Netherlands (invaded by Germany May 10th 1940)
- New Guinea
- Norway (invaded by Germany April 9th 1940)
- Philippines
- Poland (invaded by Germany and the Soviet Union in September 1939)
- Singapore
- Syria
- Thailand
- Tunisia (Occupied by USA in 1943)
- Yugoslavia(3) (German occupation from April 6th 1941)
Countries that remained nominally neutral
- Ireland
- Portugal
- Spain
- Sweden (with exception for the Winter War)
- Switzerland