List of sovereign states in the 1930s explained

This is a list of sovereign states in the 1930s, giving an overview of states around the world during the period between 1 January 1930 and 31 December 1939. It contains entries, arranged alphabetically, with information on the status and recognition of their sovereignty. It includes 77 widely recognized sovereign states, entities which were de facto sovereign but which were not widely recognized by other states, and 1 state which was initially unrecognized but then gained full recognition later in the decade.

Sovereign states

width=60%	Name and capital city	width=40%	Information on status and recognition of sovereignty
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A
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valign=top	→ Afghanistan – Kingdom of Afghanistan Widely recognized independent state. LON member state (from 27 September 1934).
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valign=top	→ Albania – Albanian Kingdom Widely recognized LON member state. Under occupation by Italy from April 12, 1939.
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valign=top	→ Andorra – Principality of Andorra Widely recognized independent state.
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valign=top	Argentina – Argentine Republic Widely recognized LON member state. Argentina was a federation of 15 provinces and 9 federal territories. It had a claim over Argentine Antarctica. It also claimed the Falkland Islands and South Georgia and the South Sandwich Islands, both of which were British crown colonies.
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valign=top	Aussa - Sultanate of Aussa Widely recognized state. Annexed into Italian East Africa.
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valign=top	Australia – Commonwealth of Australia Widely recognized LON member state; Commonwealth realm. Australia was a federation of six states and three territories. It had sovereignty over the following external territories: Australian Antarctic Territory Norfolk Island Australia administered two League of Nations mandates: Nauru New Guinea
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valign=top	→ Austria Widely recognized LON member state. Annexed by Nazi Germany on March 12, 1938.
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B
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valign=top	Belgium – Kingdom of Belgium Widely recognized LON member state. Belgium had sovereignty over one colony and one concession: Belgium administered one League of Nations mandate:
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valign=top	Widely recognized independent state.
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valign=top	Brazil Widely recognized independent state. Brazil was a federation of 20 states, one territory, and one federal district.
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valign=top	Bulgaria – Kingdom of Bulgaria Widely recognized LON member state.
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C
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valign=top	Canada – Dominion of Canada Widely recognized LON member state; Commonwealth realm.
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valign=top	Chile Republic of Chile Socialist Republic of Chile Republic of Chile Widely recognized LON member state; withdrew on May 14, 1938.
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valign=top	– Republic of China Widely recognized LON member state.
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valign=top	Colombia – Republic of Colombia Widely recognized LON member state.
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valign=top	Costa Rica – Republic of Costa Rica Widely recognized independent state.
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valign=top	– Republic of Cuba Widely recognized LON member state.
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valign=top	Widely recognized LON member state. Under occupation by Nazi Germany from 15 May 1939. A government in exile was regarded as the legitimate government by the Allies.
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D
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valign=top	– Free City of Danzig Widely recognized independent state. Annexed by Nazi Germany from 12 September 1939.
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valign=top	Denmark – Kingdom of Denmark Widely recognized LON member state. Denmark had sovereignty over one possession: Greenland
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valign=top	Dominican Republic – Third Dominican Republic Widely recognized LON member state.
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E
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valign=top	Ecuador – Republic of Ecuador Widely recognized independent state. LON member state from September 28, 1934.
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valign=top	Egypt – Kingdom of Egypt Widely recognized independent state. LON member state from May 26, 1937.
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valign=top	El Salvador Republic of El Salvador Widely recognized LON member state; withdrew on August 11, 1937.
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valign=top	Estonia – Republic of Estonia Widely recognized LON member state.
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valign=top	– Ethiopian Empire Widely recognized LON member state. Under occupation by Italy from May 9, 1936, and annexed into Italian East Africa from June 1, 1936.
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F
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valign=top	Finland – Republic of Finland Widely recognized LON member state.
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valign=top	France – French Republic Widely recognized LON member state. France administered the foreign affairs of the following colonies and protectorates: French Algeria French Equatorial Africa French Guiana French India – French Establishments in India French Indochina French Madagascar French Morocco French Oceania – French Establishments in Oceania France administered the following League of Nations mandates: Alawite Lebanese Republic State of Syria → Syrian Republic Jabal ad-Druze French Cameroons French Togoland
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G
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valign=top	→ → Germany Widely recognized LON member state; withdrew on October 19, 1933.
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valign=top	→ Greece Widely recognized LON member state.
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valign=top	Guatemala – Republic of Guatemala Widely recognized LON member state; withdrew on May 26, 1936.
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H
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valign=top	Haiti – Republic of Haiti Widely recognized LON member state under United States occupation to August 1, 1934.
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valign=top	Honduras Widely recognized LON member state; withdrew on July 10, 1936.
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valign=top	– Kingdom of Hungary Widely recognized LON member state; withdrew on April 11, 1939.
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I
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valign=top	– Kingdom of Iceland Widely recognized independent state.
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valign=top	Persia / Iran Imperial State of Persia Imperial State of Iran Widely recognized LON member state.
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valign=top	Iraq – Hashemite Kingdom of Iraq Widely recognized independent state. LON member state from October 3, 1932.
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valign=top	Ireland Widely recognized LON member state; Commonwealth realm.
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valign=top	– Kingdom of Italy Widely recognized LON member state under fascism; withdrew on December 11, 1937. Italy had sovereignty over two colonies (four colonies until January 1934 and three colonies until June 1936) and three concessions:
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J
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valign=top	– Empire of Japan Widely recognized LON member state; withdrew on March 27, 1933. Japan had sovereignty over the following dependencies and concessions: Japan administered one League of Nations mandate: South Seas Mandate
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L
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valign=top	– Republic of Latvia Widely recognized LON member state.
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valign=top	– Republic of Liberia Widely recognized LON member state.
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valign=top	→ Liechtenstein – Principality of Liechtenstein Widely recognized independent state.
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valign=top	Lithuania – Republic of Lithuania Widely recognized LON member state.
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valign=top	– Grand Duchy of Luxembourg Widely recognized LON member state.
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M
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valign=top	→ – United Mexican States Widely recognized independent state. LON member state from September 12, 1931; declared a member on September 12, 1931. Mexico had sovereignty over one territory:
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valign=top	– Principality of Monaco Widely recognized independent state.
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– Sultanate of Muscat and Oman De jure independent state. De facto a British protectorate.
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N
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valign=top	→ → → Nejd and Hejaz –, Saudi Arabia Widely recognized independent state. Nejd and Hejaz had sovereignty over one protectorate:
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valign=top	→ Nepal – Kingdom of Nepal Widely recognized independent state.
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valign=top	Netherlands – Kingdom of the Netherlands Widely recognized LON member state. The Netherlands had sovereignty over three colonies: Curaçao and Dependencies Dutch East Indies Surinam
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valign=top	→ Newfoundland – Dominion of Newfoundland Widely recognized independent state; de facto Commonwealth realm to February 16, 1934.
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valign=top	New Zealand – Dominion of New Zealand Widely recognized LON member state; Commonwealth realm. New Zealand had sovereignty over four dependent territories: New Zealand administered one League of Nations mandate: Western Samoa
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valign=top	– Republic of Nicaragua Widely recognized LON member state under United States occupation to 1933; withdrew on June 27, 1936.
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valign=top	– Kingdom of Norway Widely recognized LON member state. Norway had sovereignty over three uninhabited possessions: Bouvet Island
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P
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valign=top	– Republic of Panama Widely recognized LON member state.
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valign=top	– Republic of Paraguay Widely recognized LON member state; withdrew on February 23, 1935.
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valign=top	Widely recognized LON member state; withdrew on April 8, 1939.
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valign=top	Poland – Republic of Poland Widely recognized LON member state. Under occupation by Nazi Germany from 6 October 1939. A government in exile was regarded as the legitimate government by the Allies.
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valign=top	Portugal Widely recognized LON member state. The following are colonies and possession of Portugal:
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R
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valign=top	– Kingdom of Romania Widely recognized LON member state.
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S
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valign=top	– Most Serene Republic of San Marino Widely recognized independent state.
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valign=top	Siam / Thailand Kingdom of Siam Kingdom of Thailand Widely recognized LON member state.
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valign=top	– Union of South Africa Capital: Pretoria (administrative), Cape Town (legislative), Pietermaritzburg (archival), Bloemfontein (judicial)Widely recognized LON member state; Commonwealth realm. South Africa administered one League of Nations mandate: South West Africa
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valign=top	→ Soviet Union – Union of Soviet Socialist Republics Widely recognized independent state. LON member state from September 18, 1934; expelled on December 14, 1939. The Soviet Union was a federation of seven (later 11) republics.
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valign=top	→ → Spain Widely recognized LON member state; withdrew on May 9, 1939. Spain had sovereignty over the following colonies and protectorate:
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valign=top	– Kingdom of Sweden Widely recognized LON member state.
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valign=top	Widely recognized LON member state.
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T
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valign=top	Tibet De facto independent state. Claimed by the Republic of China.
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valign=top	→ Turkey – Republic of Turkey Widely recognized independent state. LON member state from July 18, 1932.
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U
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valign=top	– United Kingdom of Great Britain and Northern Ireland Widely recognized LON member state. The United Kingdom had sovereignty over 62 colonies: Aden – Aden Colony and Protectorate Amoy Anglo-Egyptian Sudan → Bahrain – State of Bahrain Baker Island Basutoland – Territory of Basutoland Bechuanaland – Bechuanaland Protectorate Bermuda Bhutan – Kingdom of Bhutan British Guiana British Honduras British Leeward Islands – Federal Colony of the Leeward Islands British Somaliland – British Somaliland Protectorate British Western Pacific Territories British Windward Islands – Federal Colony of the Windward Islands Brunei – State of Brunei → Burma Canton and Enderbury Islands Ceylon Cyprus Enderby Land Falkland Islands Federated Malay States Gambia – Gambia Colony and Protectorate → → Guernsey – Bailiwick of Guernsey Heard Island and McDonald Islands Hong Kong – Indian Empire → Isle of Man Jamaica Jarvis Island – Bailiwick of Jersey Johor – State of Johor Darul Ta'zim Kedah – State of Kedah Darul Aman – State of Kelantan Darul Naim Kenya – Kenya Colony and Protectorate Kuwait – Sheikhdom of Kuwait Maldive Islands – Sultanate of the Maldive Islands Malta Mauritius Muscat and Oman – Sultanate of Muscat and Oman Nigeria – Colony and Protectorate of Nigeria Northern Rhodesia – Protectorate of Northern Rhodesia – Nyasaland Protectorate – State of Perlis Indera Kayangan → → Qatar – State of Qatar Saint Helena Sarawak – Kingdom of Sarawak Seychelles Sierra Leone – Sierra Leone Colony and Protectorate Sikkim South Orkney Islands – Colony of Southern Rhodesia South Shetland Islands Straits Settlements Suez Canal Zone Swaziland – Swaziland Protectorate → Terengganu – State of Terengganu Darul Iman United Kingdom administered the following League of Nations mandates: British Cameroons British Togoland Iraq Palestine → Transjordan
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valign=top	– United States of America Widely recognized independent state. The United States had sovereignty over 21 territories: Alaska – Alaska Territory American Samoa – Territory of American Samoa Canton and Enderbury Islands Corn Islands Guam – Territory of Guam Hawaii – Territory of Hawaii
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valign=top	– Eastern Republic of Uruguay Widely recognized LON member state.
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V
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valign=top	– Vatican City State Widely recognized independent state.
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valign=top	→ Venezuela – United States of Venezuela Widely recognized LON member state; withdrew on July 12, 1938.
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Y
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valign=top	Yemen – Mutawakkilite Kingdom of Yemen Widely recognized independent state.
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valign=top	– Kingdom of Yugoslavia Widely recognized independent state.
---- Other entities Excluded from the list above are the following noteworthy entities which either were not fully sovereign or did not claim to be independent:
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valign=top	Ararat – Republic of Ararat Unrecognized state.
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valign=top	Asch – Free City of Asch Unrecognized state.
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valign=top	Asturias and León – Sovereign Council of Asturias and León^[1] Unrecognized state.
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valign=top	Brazil, Socialist Republic of – Socialist Republic of Brazil Unrecognized state. Claimed by Brazil after four days.
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valign=top	Unrecognized state. Occupied by Hungary on March 15, 1939.
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valign=top	Catalonia Self-declared state in 1931; became an autonomous government within the Spanish Republic, named Generalitat of Catalonia, from April 17, 1931. Self-declared revolutionary state in 1934 during the Events of 6 October.
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valign=top	China, Provisional Government of – Provisional Government of the Republic of China Unrecognized state. Puppet state of Japan.
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valign=top	China, Reformed Government of – Reformed Government of the Republic of China Unrecognized state. Puppet state of Japan.
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valign=top	China, Soviet Republic of – Chinese Soviet Republic Unrecognized state.
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valign=top	Democratic Finland – Finnish Democratic Republic Partially recognized socialist republic. Puppet state of the Soviet Union.
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valign=top	East Hebei – East Hebei Autonomous Council Unrecognized state. Puppet state of Japan.
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valign=top	East Turkestan – Turkish Islamic Republic of East Turkestan De facto unrecognized independent state. De jure regional province of China.
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valign=top	Fujian People's Government Unrecognized state. Annexed by China on January 13, 1934.
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valign=top	– Hatay State Transitional political state. Annexed by Turkey from 7 July 1939.
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valign=top	Jiangxi – Chinese Soviet Republic Unrecognized state.
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valign=top	Korea, Provisional Government of – Provisional Government of the Republic of Korea Partially recognized Korean government-in-exile.
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valign=top	State of Manchuria Empire of Manchuria Puppet state of Japan.
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valign=top	– Mengjiang United Autonomous Government Puppet state of Japan.
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valign=top	Mongolia – Mongolian People's Republic Satellite state of the Soviet Union.
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valign=top	Mongol Union Mongol Military Government Mongol United Autonomous Government Puppet state of Japan. Became part of Mengjiang from September 1, 1939.
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valign=top	North Shanxi – North Shanxi Autonomous Government Puppet state of Japan. Became part of Mengjiang from September 1, 1939.
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valign=top	Northwest Soviet Federation – Northwestern Federation of the Chinese Soviet Republic Unrecognized state. A confederation of two ethnic minority governments including the Revolutionary Government of the Republic of Geledesha and the Tibetan People's Republic.
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valign=top	Shanghai – Great Way Municipal Government of Shanghai Puppet government of Japan.
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valign=top	Slovakia – Slovak Republic Client state of Nazi Germany recognized by several neutral states.
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valign=top	South Chahar – South Chahar Autonomous Government Puppet state of Japan. Became part of Mengjiang from September 1, 1939.
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valign=top	→ Tuva – Tuvan People's Republic Partially recognized socialist republic. Satellite state of the Soviet Union.
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valign=top	Western Oromia – Western Galla Confederation^[2] Unrecognized state.Rump Oromo state in western Ethiopia.
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