Country rankings
Allies During WWII
Allies During WWII: compare 56 countries on 3 metrics.
World War II Status
3 values across 56 entries
Data
Click a column to sort.
56 countries
Argentina | Allied Co-Belligerent | 03-27-1945 | Argentina remained neutral for most of the war. Did not sign the Declaration of United Nations, but did declare war on Germany. |
Australia | Allies | 09-03-1939 | — |
Bangladesh | Allies | 09-03-1939 | At the time of WWII, modern-day Bangladesh was part of UK-controlled British India. |
Belgium | Allies | 05-10-1940 | — |
Bolivia | Allies | 04-07-1943 | — |
Brazil | Allies | 08-22-1942 | — |
Bulgaria | both | 09-08-1944 | Bulgaria was part of the Axis powers from 1941-1944, then switched sides to the Allies in 1944. |
Canada | Allies | 09-10-1939 | — |
Chile | Allies | 04-13-1945 | Declared war on Japan. |
China | Allies | 12-09-1941 | At war with Japan since 1937. |
Colombia | Allies | 07-26-1943 | — |
Costa Rica | Allies | 12-08-1941 | — |
Cuba | Allies | 12-09-1941 | — |
Dominican Republic | Allies | 12-08-1941 | — |
Ecuador | Allies | 02-02-1945 | — |
Egypt | Allies | 02-24-1945 | — |
El Salvador | Allies | 12-08-1941 | — |
Ethiopia | Allies | 12-14-1942 | — |
Finland | both | 09-15-1944 | Finland fought off a Russian invasion in the Winter War from 1939-1940, then attacked Russia alongside Axis troops in the Continuation War from 1941-1944., Although it accepted German assistance and allowed Germany to amass troops within its borders, Finland never signed the … |
France | Allies | 09-03-1939 | — |
Greece | Allies | 10-28-1940 | — |
Guatemala | Allies | 12-09-1941 | — |
Haiti | Allies | 12-08-1941 | — |
Honduras | Allies | 12-08-1941 | — |
India | Allies | 09-03-1939 | At the time of WWII, modern-day India was part of UK-controlled British India. |
Iran | Allies | 09-09-1939 | Iran planned to remain neutral in WWII, but was occupied by both sides and eventually joined the Allies. |
Iraq | both | 01-16-1943 | Neutral government overthrown by coup in 1941. New regime supported Axis and fought against Britain, but was overthrown by Britain. Original government restored and supported the Allies. |
Italy | both | 10-10-1943 | Originally one of the major Axis powers, Italy left the Axis once its dictatorial ruler, Benito Mussolini, was removed. Although Italy did not join the Allies, it did declare war on Germany, making it a co-belligerent which fought alongside the Allies. |
Lebanon | Allies | 02-27-1945 | — |
Liberia | Allies | 01-27-1944 | — |
Luxembourg | Allies | 05-10-1940 | — |
Mexico | Allies | 05-22-1942 | — |
Mongolia | Allies | 08-10-1945 | Close ties with Russia. Officially declared war on Japan. |
Nepal | Allies | 09-04-1939 | — |
Netherlands | Allies | 05-10-1940 | — |
New Zealand | Allies | 09-03-1939 | — |
Nicaragua | Allies | 12-08-1941 | — |
Norway | Allies | 04-08-1940 | — |
Oman | Allies | 09-10-1939 | — |
Pakistan | Allies | 09-03-1939 | At the time of WWII, modern-day Pakistan was part of UK-controlled British India. |
Panama | Allies | 12-07-1941 | — |
Paraguay | Allies | 02-07-1945 | — |
Peru | Allies | 02-12-1945 | — |
Philippines | Allies | 12-08-1941 | — |
Poland | Allies | 09-01-1939 | — |
Romania | Allies | 08-25-1944 | Originally an Axis power, Romania surrendered to Russia in 1944 and subsequently became an Allied participant. |
Saudi Arabia | Allies | 03-01-1945 | Neutral through most of the war, but supported Allies with oil, hosted an Allied air base, and declared war on Germany and Japan in 1945. |
South Africa | Allies | 09-06-1939 | — |
South Korea | Allies | 12-10-1941 | South Korea's government was provisional at the time of its declaration. |
Syria | Allies | 02-26-1945 | — |
Turkey | both | 02-23-1945 | Maintained neutrality until they entered a friendship agreement with Germany in 1941, but did not send troops and declared war on Germany in 1945. |
United Kingdom | Allies | 09-03-1939 | — |
United States | Allies | 12-08-1941 | Declared war on Japan on Dec 8, 1941, the day after the Pearl Harbor attack. Germany and Italy declared war on Japan on Dec 11, 1941, prompting the US to respond in kind within hours. |
Uruguay | Allies | 02-15-1945 | — |
Venezuela | Allies | 02-15-1945 | — |
Vietnam | Allies | 12-07-1941 | As Vietnam was occupied and ruled by Japan starting in 1940, Vietnam's allegiance was declared by the Viet Minh, who at the time were revolutionaries fighting to overthrow their Japanese occupiers. |
Quick answers
- Where does this allies during wwii data come from?
- Rankodex compiles it from World Population Review and the primary sources it cites: Allied Powers - Britannica; Treaty of Peace with Germany - Census.gov; Outline of World War I - Wiki; World War I - Britannica.
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