Country rankings
Countries Involved in World War Two (WWII)
Countries Involved in World War Two (WWII): compare 64 countries on 3 metrics.
Axis or Allies
10 values across 64 entries
Data
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64 countries
 Afghanistan | Neutral | — | — |
 Andorra | Neutral | — | — |
 Argentina | Neutral/Allies | — | Because of strong divisions and internal disputes between members of the Argentine military, the country would continue to remain neutral, even after American sanctions., However, Argentina eventually gave in to the Allies' pressure, broke relations with the Axis powers on Ja… |
 Australia | Allies | September 1939 | — |
 Bangladesh | Allies | September 1939 | At the time of WWII, modern-day Bangladesh was part of UK-controlled British India. |
 Belgium | Allies | May, 1940 | — |
 Bhutan | Neutral | — | — |
 Bolivia | Allies | April 7, 1943 | — |
 Brazil | Allies | August 22, 1942 | — |
 Bulgaria | Both (Mostly Axis) | March 1, 1941 - September 8, 1944 (Axis), Sept. 1944-end (Allied co-belligerent) | Bulgaria was neutral until 1 March 1941, then joined the Axis powers until 8 September 1944, when the country was invaded by Allied Russia and its government forced into exile., The new government took up the Allied cause and sent more than 300,000 troops to fight alongside t… |
 Canada | Allies | September 1939 | — |
 China | Allies | December, 1941 | China had been at war with Japan since July 1937. It declared war on Japan, Germany and Italy and joined the Allies in December 1941, following Japan's attack on Pearl Harbor. |
 Costa Rica | Allies | December, 1941 | — |
 Croatia | Axis | June 15, 1941 | Formed from the remains of Yugoslavia, which the Germans invaded in 1941, Croatia was conceived as a German puppet state from its inception., Following the war, Croatia was absorbed into a reconstituted, communist Yugoslavia, of which it remained a part until 1991, when Croat… |
 Cuba | Allies | December, 1941 | — |
 Czechia | Occupied/Allies | March 15, 1939 | Part of Czechoslovakia during WWII. Czechoslovakia's democratic government spent much of the war in exile due to Germany's occupation of the country, so the government's joining of the Allies was more ceremonial than functional. |
 Denmark | Neutral/Occupied | April 9, 1940 | Did not join Axis and supplied only volunteer troops, but was occupied by Germany through much of the war. |
 Dominican Republic | Allies | December, 1941 | — |
 El Salvador | Allies | December, 1941 | — |
 Estonia | Neutral/Occupied | — | The Baltic states of Estonia, Latvia, and Lithuania, jointly declared their neutrality on 18 November 1938, in Riga, at the Conference of Baltic Foreign Ministers with their respective parliaments passing neutrality laws later that year., Despite this declaration of neutralit… |
 Ethiopia | Allies | July, 1940 | The Ethiopian Empire was invaded by Italy on 3 October 1935. On 2 May 1936, Emperor Haile Selassie I fled into exile., After the outbreak of World War II, the United Kingdom recognized Haile Selassie as the Emperor of Ethiopia in July 1940 and his Ethiopian exile government c… |
 Finland | Both (Mostly Axis) | June 26, 1941 - September 19, 1944 | Finland's role in World War II is complex. Finland was drawn into the war in 1939, when the USSR invaded in what would become known as the "Winter War"., The Winter War ended in 1940, but Finland would go on the offensive against the USSR from 1941-1944, fighting alongside Ax… |
 France | Allies | September 3, 1939 | — |
 Germany | Axis | September 1, 1939 - May 8–9, 1945 | — |
 Greece | Allies | October 28, 1940 | — |
 Guatemala | Allies | December, 1941 | — |
 Haiti | Allies | December, 1941 | — |
 Honduras | Allies | December, 1941 | — |
 Hungary | Axis | November 20, 1940 - March 1944 | Hungary was the fourth country to sign the Tripartite Pact. However, the country also began engaging in secret peace talks with the Allies in 1943, prompting Germany to force Hungary to accept occupation by German forces in March 1944., Hungary's final offensive ended in May … |
 Iceland | Neutral/Occupied | — | Occupied by and cooperated with Allied forces from 1940-1945, but remained officially neutral. |
 Iran | Neutral/Allies | — | Iran was initially neutral but was occupied by the Allies. It later declared war on Germany in 1943. |
 Ireland | Neutral | — | Éamon de Valera the Taoiseach (head of government), refrained from joining either side, although he generally favored and aided the Allied powers by allowing access to their naval repair yards. |
 Italy | Both (Mostly Axis) | June 1940 - September 8, 1943. | Originally one of the major Axis powers and ruled by the dictatorial Benito Mussolini, Italy left the Axis once Mussolini was removed., Although Italy did not formally join the Allies, it did declare war on Germany, making it a co-belligerent which fought alongside the Allies. |
 Japan | Axis | September 22, 1940 - September 2, 1945 | — |
 Laos | Axis | — | Laos at the time of WWII was a puppet state ruled by Japan. |
 Latvia | Neutral/Occupied | — | The Baltic states of Estonia, Latvia, and Lithuania, jointly declared their neutrality on 18 November 1938, in Riga, at the Conference of Baltic Foreign Ministers with their respective parliaments passing neutrality laws later that year., Despite this declaration of neutralit… |
 Liechtenstein | Neutral | — | — |
 Lithuania | Neutral/Occupied | — | The Baltic states of Estonia, Latvia, and Lithuania, jointly declared their neutrality on 18 November 1938, in Riga, at the Conference of Baltic Foreign Ministers with their respective parliaments passing neutrality laws later that year., Despite this declaration of neutralit… |
 Luxembourg | Allies | May, 1940 | — |
 Mexico | Allies | May 22, 1942 | — |
 Monaco | Neutral/Occupied | — | Monaco was occupied by Italy and later by Germany. |
 Mongolia | Allies | 10 August 1945 | — |
 Netherlands | Allies | May, 1940 | — |
 New Zealand | Allies | September 1939 | — |
 Norway | Allies | April 9, 1940 | — |
 Panama | Allies | December, 1941 | — |
 Philippines | Allies | December 8, 1941 | — |
 Poland | Allies | September 1, 1939 | — |
 Portugal | Neutral | — | Portugal granted access to the British to its bases in the Azores |
 Romania | Axis | November 23, 1940 - August 23, 1944 | Originally an Axis power, Romania surrendered to Russia in 1944 and subsequently became an Allied participant. |
 Russia | Both (Mostly Allies) | September 17, 1939 - June 22, 1941 (Axis), June 1941-end (Allies) | Modern Russia's predecessor country, the USSR (commonly referred to as Russia, or the Soviet Union) joined WWII on behalf of the Axis powers on September 17, 1939, when it invaded eastern Poland in coordination with Nazi Germany., The USSR abruptly changed sides to the Allies… |
 San Marino | Neutral/Allies | — | San Marino was briefly occupied by Germany on 17–20 September 1944. The occupation led the microstate to declare war on Germany on 21 September 1944. |
 Saudi Arabia | Neutral/Allies | — | Although officially neutral, the Saudis provided the Allies with large supplies of oil. Diplomatic relations with the United States were established in 1943., King Abdul Aziz Al-Saud was a personal friend of Franklin D. Roosevelt. Saudi Arabia declared war on Germany on 28 Fe… |
 Slovakia | Axis | November 24, 1940 - early April 1945 | Part of Czechoslovakia at the time of the war, much of what is now Slovakia was split off as a German satellite state (the Slovak Republic) upon Germany's annexation of the rest of Czechoslovakia., The Slovak Republic rejoined Czechoslovakia in 1945. Czechoslovakia split into… |
 South Africa | Allies | September 1939 | — |
 Spain | Neutral/Axis | — | Spain, whose civil war had just ended at the beginning of World War II, sent troops to the Russian front to help German armed forces |
 Sweden | Neutral/Both | — | The transit of German troops through Finland and Sweden and Swedish iron-ore mining during World War II helped the German war effort., Danish resistance worked with Sweden to carry out the 1943 rescue of the Danish Jews by shipping them to Sweden. During the Liberation of Fin… |
 Switzerland | Neutral | — | Nazis purchased critical war material from neutral countries using Swiss francs gained in exchange for gold looted by the Nazis from occupied countries and from individual victims of concentration camps. Switzerland continued to trade until the end of the war in 1945. |
 Turkey | Neutral/Allies | — | Turkey was neutral until several months before the end of the war. Turkey was an important producer of chromite, a strategic material for metallurgy to which Germany had limited access. The Germans wanted it, and the Allies wanted to prevent them from getting it., Thus, chrom… |
 United Kingdom | Allies | September 3, 1939 | — |
 United States | Allies | December 11. 1941 | — |
 Uruguay | Neutral | — | — |
 Vatican City | Neutral | — | — |
 Yemen | Neutral | — | — |
Quick answers
- Where does this countries involved in world war two (wwii) data come from?
- Rankodex compiles it from World Population Review and the primary sources it cites: Axis Alliance in World War II - United States Holocaust Memorial Museum; Allied powers - Britanica; Allies of World War II - Wiki; How the Neutral Countries in World War II Weren’t So Neutral - History.