This is a list of sovereign states in the 1920s, giving an overview of states around the world during the period between 1 January 1920 and 31 December 1929. It contains entries, arranged alphabetically, with information on the status and recognition of their sovereignty. It includes 90 widely recognized sovereign states, and entities which were de facto sovereign but which were not widely recognized by other states.

Sovereign states Name and capital cityInformation on status and recognition of sovereignty A Abkhazia – Socialist Soviet Republic of Abkhazia Recognized independent state. It was subordinate to the Georgian SSR from December 16, 1921. → → → → → → → Afghanistan Emirate of Afghanistan Kingdom of Afghanistan Emirate of Afghanistan Kingdom of Afghanistan Reign of Amanullah Khan, Inayatullah Khan, and Mohammed Nadir Shah: Widely-recognized independent state.Reign of Habibullāh Kalakāni, Ali Ahmad Khan and Abd-al Karim: Not recognized by any state. → → → Albania Principality of Albania Albanian Republic Albanian Kingdom Widely-recognized independent state. De facto Italian protectorate to August 2, 1920. LON member state from December 17, 1920. Andorra – Principality of Andorra Widely-recognized independent state. – Argentine Republic Widely-recognized independent state. LON founding member state from January 10, 1920. → Armenia Republic of Armenia Armenian Socialist Soviet Republic Widely-recognized independent state. Became part of the Transcaucasian SFSR from March 12, 1922. Asir – Idrisid Emirate of Asir Widely-recognized independent state. Vassal state of Kingdom of Hejaz and Nejd from October 21, 1926. Asir, Upper – Sheikdom of Upper Asir Widely-recognized independent state. Partitioned between Sultanate of Nejd and Idrisid Emirate of Asir from August 30, 1920. Aussa – Sultanate of Aussa Widely recognized state. – Commonwealth of Australia Widely-recognized independent state after 15 November, 1926. LON founding member state from 10 January, 1920. Australia had two external territories: Norfolk Island

Australia administered two League of Nations mandates: Nauru → New Guinea – Republic of Austria Widely-recognized independent state and a LON member state from December 15, 1920. → → Azerbaijan Azerbaijan Democratic Republic Azerbaijan Socialist Soviet Republic Widely-recognized independent state. Became part of the Transcaucasian SFSR from March 12, 1922. Azerbaijan had one protectorate: Nakhichevan ASSR Московский договор между Росскией и Турцией, 16 марта 1921 года B – Kingdom of Belgium Widely-recognized independent state. LON founding member state from January 10, 1920. Belgium had sovereignty over one colony and one concession:

Tientsin

Belgium administered one League of Nations mandate: Ruanda-Urundi Bolivia Republic of Bolivia Republic of Bolivia Widely-recognized independent state. LON founding member state from January 10, 1920. Brazil – Republic of the United States of Brazil Widely-recognized independent state. LON founding member state from January 10, 1920; withdrew on June 14, 1926. Brazil was a federation of 20 states, one territory, and one federal district. – Tsardom of Bulgaria Widely-recognized independent state. LON member state from December 16, 1920. C → – Dominion of Canada Widely-recognized independent state after November 15, 1926. LON founding member state from January 10, 1920. – Republic of Chile Widely-recognized independent state. LON founding member state from January 10, 1920. → – Republic of China Capital: Beijing, Nanjing Widely-recognized independent state. LON founding member state from January 10, 1920. – Republic of Colombia Widely-recognized independent state. LON founding member state from January 10, 1920. Costa Rica – Republic of Costa Rica Widely-recognized independent state. LON member state from December 16, 1920; withdrew on January 22, 1925. – Republic of Cuba Widely-recognized independent state. LON founding member state from January 10, 1920. → Czechoslovakia Czecho-Slovak Republic Czechoslovak Republic Widely-recognized independent state. LON founding member state from January 10, 1920. D – Free City of Danzig Widely-recognized independent. Under League of Nations protection. – Kingdom of Denmark Widely-recognized independent state. LON founding member state from January 10, 1920. Dominican Republic – Third Dominican Republic Widely-recognized independent state under United States military occupation to 18 September 1924. LON member state from September 28, 1924. E Ecuador Republic of Ecuador Republic of Ecuador Widely-recognized independent state. – Kingdom of Egypt Widely-recognized independent state. – Republic of El Salvador Widely-recognized independent state. LON founding member state from January 10, 1920. Estonia – Republic of Estonia Widely-recognized independent state. LON member state from September 22, 1921. – Ethiopian Empire Widely-recognized independent state. LON member state from September 28, 1923. F – Republic of Finland Widely-recognized independent state. LON member state from December 16, 1920. – Free State of Fiume Widely-recognized independent. Annexed by Italy from February 22, 1924. France – French Republic Widely-recognized independent state. LON founding member state from January 10, 1920. France administered the foreign affairs of the following 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 French Somaliland French Tunisia French West Africa Guadeloupe Martinique

France administered the following League of Nations mandates: Alawite Greater Lebanon Syrian Federation State of Syria → Souaida French Cameroons French Togoland Saar Basin G → → Georgia Democratic Republic of Georgia Georgian Soviet Socialist Republic Widely-recognized independent state. Georgian SSR had one autonomous republic (from July 16, 1921): Adjarian ASSR. Became part of the Transcaucasian SFSR from March 12, 1922. SSR Abkhazia – German Realm Widely-recognized independent state. LON member state from September 8, 1926. → Greece Kingdom of Greece Hellenic Republic Widely-recognized independent state. LON founding member state from January 10, 1920. Guatemala – Republic of Guatemala Widely-recognized independent state. LON founding member state from January 10, 1920. H → Ha'il / Jabal Shammar – Emirate of Ha'il Widely-recognized independent state. It was completely conquered by Saudi forces from November 2, 1921 and subsequently incorporated into the Sultanate of Nejd. Haiti – Republic of Haiti Widely-recognized independent state under United States occupation. LON founding member state from January 10, 1920. → – Hashemite Kingdom of Hejaz Widely-recognized independent state. Annexed by Sultanate of Nejd, creating the Kingdom of Hejaz and Nejd from January 8, 1926. Hejaz and Nejd – Kingdom of Hejaz and Nejd Capital: Mecca (Hejaz), Riyadh (Nejd) Kingdom of Hejaz and Sultanate of Nejd Kingdom of Hejaz and Nejd Widely-recognized independent state. Nejd and Hejaz had one protectorate: Asir – Republic of Honduras Widely-recognized independent state. LON founding member state from January 10, 1920. → Hungary Hungarian Republic Kingdom of Hungary Widely-recognized independent state. LON member state from September 18, 1922. I Iceland – Kingdom of Iceland Widely-recognized independent state. – Irish Free State Widely-recognized independent state after November 15, 1926. LON member state from September 10, 1923. – Kingdom of Italy Widely-recognized independent state under fascism from 31 October 1922. LON founding member state from January 10, 1920. Italy had four colonies and three concessions: Amoy Italian Cyrenaica Italian Eritrea Italian Somaliland Italian Tripolitania Shanghai Tientsin Trans-Juba J – Empire of Japan Widely-recognized independent state. LON founding member state from January 10, 1920. Japan had sovereignty over the following dependencies and concessions: Chongqing Hangzhou Hankou Japanese Korea (Chōsen) Karafuto Kwantung Shashi Suzhou Taiwan Tientsin

Japan administered one League of Nations mandate: South Seas Mandate L & Latvia Republic of Latvia

Widely-recognized independent state. LON member state from September 22, 1921. – Republic of Liberia Widely-recognized independent state. LON founding member state from January 10, 1920. → – Principality of Liechtenstein Widely-recognized independent state. Lithuania – Republic of Lithuania Widely-recognized independent state. LON member state from September 22, 1921. – Grand Duchy of Luxembourg Widely-recognized independent state. LON member state from December 16, 1920. M – United Mexican States Widely-recognized independent state. Mexico had sovereignty over one territory: Isla de la Pasión – Principality of Monaco Widely-recognized independent state. Mountain Republic – Mountainous Republic of the Northern Caucasus Widely-recognized independent state. Incorporated into the Russian SFSR as the Mountain ASSR from January 20, 1921. – Sultanate of Muscat and Oman De jure independent state. De facto a British protectorate. N → Nejd Emirate of Nejd and Hasa Sultanate of Nejd Widely-recognized independent state. Nejd annexed Hejaz, creating the Kingdom of Hejaz and Nejd from January 8, 1926. Nepal – Kingdom of Nepal Widely-recognized independent state. Netherlands – Kingdom of the Netherlands Widely-recognized independent state. LON founding member state from January 10, 1920. The Netherlands had sovereignty over three colonies: Curaçao and Dependencies Dutch East Indies Surinam – Dominion of Newfoundland Widely-recognized independent state after November 15, 1926. New Zealand – Dominion of New Zealand Widely-recognized independent state after November 15, 1926. LON founding member state from January 10, 1920. The following are territories of New Zealand: Cook Islands Niue Island Ross Dependency Union Islands

New Zealand administered one League of Nations mandate: Western Samoa – Republic of Nicaragua Widely-recognized independent state. LON founding member state from January 10, 1920. – Kingdom of Norway Widely-recognized independent state. LON founding member state from January 10, 1920. Norway had sovereignty over two uninhabited possessions: Bouvet Island Sverdrup Islands O – Sublime Ottoman State Widely-recognized independent state. Ottoman Empire had one protectorate: North Caucasian Emirate P – Republic of Panama Widely-recognized independent state. – Republic of Paraguay Widely-recognized independent state. LON founding member state from January 10, 1920. → Persia Persian Empire Imperial State of Persia Widely-recognized independent state. LON founding member state from January 10, 1920. – Peruvian Republic Widely-recognized independent state. LON founding member state from January 10, 1920. → Poland – Republic of Poland Widely-recognized independent state. LON founding member state from January 10, 1920. First Portuguese Republic Ditadura Nacional Widely-recognized independent state. LON founding member state from January 10, 1920. The following are colonies and possession of Portugal:

Portuguese Macau Portuguese East Africa

Portuguese India

Portuguese West Africa Fort of São João Baptista de Ajudá Portuguese São Tomé and Príncipe R – Kingdom of Romania Widely-recognized independent state. LON founding member state from January 10, 1920. – Russian Socialist Federative Soviet Republic Widely-recognized independent state. Became part of the Soviet Union from December 30, 1922. Russia had three protectorates and one concession: Bukhara Khiva Uryankhay Tientsin S – Most Serene Republic of San Marino