List of sovereign states in 1931

Sovereign states by year
List of sovereign states in 1930	Events of 1931	List of sovereign states in 1932

Sovereign states

A

Afghanistan - Kingdom of Afghanistan
Albania - Albanian Kingdom
Andorra - Principality of Andorra
Argentina - Argentine Republic
Australia - Commonwealth of Australia (Dominion of the British Empire)
Austria - Federal State of Austria

B

Belgium - Kingdom of Belgium
Bolivia - Republic of Bolivia
Brazil - Republic of the United States of Brazil
Bulgaria - Kingdom of Bulgaria

C

Canada - Dominion of Canada (Dominion of the British Empire to December 11)
Chile - Republic of Chile
China - Republic of China
Colombia - Republic of Colombia
Costa Rica - Republic of Costa Rica
Cuba - Republic of Cuba
Czechoslovakia - Czechoslovak Republic

D

Danzig - Free City of Danzig
Denmark - Kingdom of Denmark
Dominican Republic

E

Ecuador - Republic of Ecuador
Egypt - Kingdom of Egypt
El Salvador - Republic of El Salvador
Estonia - Republic of Estonia
Ethiopia - Ethiopian Empire

F

Finland - Republic of Finland
France - French Republic

G

Germany - German Reich
Greece - Hellenic Republic
Guatemala - Republic of Guatemala

H

Haiti - Republic of Haiti
Honduras - Republic of Honduras
Hungary - Kingdom of Hungary

I

Iceland - Kingdom of Iceland
Ireland - Irish Free State (Dominion of the British Empire to December 11)
Italy - Kingdom of Italy

J

Japan - Empire of Japan

L

Latvia - Republic of Latvia
Liberia - Republic of Liberia
Liechtenstein - Principality of Liechtenstein
Lithuania - Republic of Lithuania
Luxembourg - Grand Duchy of Luxembourg

M

Mexico - United Mexican States
Monaco - Principality of Monaco
Mongolia - Mongolian People's Republic

N

23x15px Nejd and Hejaz - Kingdom of Nejd and Hejaz (Personal Union)
- Nejd - Kingdom of Nejd and its Dependencies
- Hejaz - Kingdom of Hejaz
Nepal - Kingdom of Nepal
Netherlands - Kingdom of the Netherlands
Newfoundland - Dominion of Newfoundland (Dominion of the British Empire)
New Zealand - Dominion of New Zealand (Dominion of the British Empire)
Nicaragua - Republic of Nicaragua
Norway - Kingdom of Norway

P

Panama - Republic of Panama
Paraguay - Republic of Paraguay
Persia - Imperial State of Persia
Peru - Peruvian Republic
Poland - Republic of Poland
Portugal - Portuguese Republic

R

Romania - Kingdom of Romania

S

San Marino - Most Serene Republic of San Marino
Siam - Kingdom of Siam
South Africa - Union of South Africa (Dominion of the British Empire to December 11)
Soviet Union - Union of Soviet Socialist Republics
23x15px 23x15px Spain
- Kingdom of Spain (to April 14)
- Spanish Republic (from April 14)
Sweden - Kingdom of Sweden
Switzerland - Swiss Confederation

T

Turkey - Republic of Turkey

U

United Kingdom - United Kingdom of Great Britain and Northern Ireland
United States - United States of America
Uruguay - Eastern Republic of Uruguay

V

Vatican City - Vatican City State
Venezuela - United States of Venezuela

Y

Yemen - Mutawakkilite Kingdom of Yemen
Yugoslavia - Kingdom of Yugoslavia

Other states

Catalonia - Catalan Republic (from April 14 to April 28)
Jiangxi - Chinese Soviet Republic (from November 7)
Tavolara - Kingdom of Tavolara
Tibet
Tuva - Tuvan People's Republic

Non-Sovereign Territories

Australia

Norfolk Island - Territory of Norfolk Island (External territory)
Papua - Territory of Papua (External territory)

Belgium

Belgian Congo (Colony)
Tientsin (Concession, to January 15)

Condominiums

Anglo-Egyptian Sudan (Anglo-Egyptian condominium)
New Hebrides (Anglo-French condominium)

Denmark

Greenland (Possession)

France

Adélie Land (Uninhabited possession)
Clipperton Island (Uninhabited possession, from January 28)
French Equatorial Africa (Colony)
French Guiana (Colony)
French India - French Establishments in India (Colony)
French Indochina (Federation of protectorates)
French Oceania - French Establishments in Oceania (Colony)
French Somaliland (Colony)
French West Africa (Colony)
Guadeloupe (Colony)
Inini (Colony)
Madagascar (Colony)
Martinique (Colony)
Morocco - Sultanate of Morocco (de jure sovereign state under French and Spanish protectorate)^[1]^[2]
New Caledonia - New Caledonia and Dependencies (Colony)
Réunion (Colony)
Saint Pierre and Miquelon (Colony)
Shanghai (Concession)
Tientsin (Concession)
Tunisia - Tunisian Realm (Protectorate)

International

Saar - Territory of the Saar Basin (International territory under League of Nations supervision)
Shanghai - Shanghai International Settlement (International concession)
Tangier - City of Tangier (Moroccan city under International administration)

Italy

Eritrea (Colony)
Italian Cyrenaica (Colony)
Italian Somaliland (Colony)
Italian Tripolitania (Colony)
Tientsin (Concession)

Japan

Chōsen (Dependency)
Karafuto - Karafuto Prefecture (Dependency)
Kwantung - Kwantung Leased Territory (Concession)
Taiwan (Dependency)
Tientsin (Concession)

League of Nations Mandates

British Cameroons (administered by the United Kingdom)
British Togoland (Administered by the United Kingdom)
French Cameroons (administered by France)
French Togoland (Administered by France)
Nauru (Administered by Australia, New Zealand and the United Kingdom)
New Guinea - Territory of New Guinea (Administered by Australia)
Palestine (Administered by the United Kingdom)
- Transjordan - Emirate of Transjordan (Administered by the United Kingdom)
Ruanda-Urundi (Administered by Belgium)
South Pacific Mandate (Administered by Japan)
South-West Africa (Administered by South Africa)
Syria and Lebanon (Administered by France)
- Jabal ad-Druze - Jabal ad-Druze State (Administered by France)
- Latakia - Sanjak of Latakia (Administered by France)
- Lebanon - Lebanese Republic (Administered by France)
- Syria - Syrian Republic (Administered by France)
Tanganyika - Tanganyika Territory (Administered by the United Kingdom)
Western Samoa (Administered by New Zealand)

Not enacted

Mesopotamia - Kingdom of Iraq (Administered by the United Kingdom)

Mexico

Isla de la Pasión (Uninhabited territory, to January 28)

Netherlands

Curaçao and Dependencies (Colony)
Dutch East Indies (Colony)
Surinam (Colony)

New Zealand

Cook Islands (Dependent territory)
Niue Island (Dependent territory)
Ross Dependency (Uninhabited dependent territory)
Union Islands (Dependent territory)

Norway

Bouvet Island (Uninhabited possession)
Eric the Red's Land (Uninhabited possession, from July 10)
Peter I Island (Uninhabited possession)

Portugal

Portuguese Cape Verde (Colony)
Macau (Colony)
Portuguese East Africa (Colony)
Portuguese Guinea (Colony)
Portuguese India - Portuguese State of India (Colony)
Portuguese Timor (Colony)
Portuguese West Africa (Colony)
São João Baptista de Ajudá - Fort of São João Baptista de Ajudá (Possession)
São Tomé and Príncipe (Colony)

Spain

23x15px Ifni (Colony)
Spanish Guinea (Colony)
Morocco - Sultanate of Morocco (de jure sovereign state under French and Spanish protectorate)^[1]^[2]
Spanish Sahara (Colony)

United Kingdom

Bahama Islands (Crown colony)
Bahrain - State of Bahrain (Protectorate)
Baker Island (Uninhabited possession)
Barbados (Crown colony)
Basutoland - Territory of Basutoland (Crown colony)
Bechuanaland - Bechuanaland Protectorate (Protectorate)
Bermuda (Crown colony)
Bhutan - Kingdom of Bhutan (Independent state under Treaty of Punakha)
British Guiana (Crown colony)
British Honduras (Crown colony)
British Leeward Islands - Federal Colony of the Leeward Islands (Crown colony)
British Somaliland - British Somaliland Protectorate (Protectorate)
British Western Pacific Territories (Crown colony)
British Windward Islands - Federal Colony of the Windward Islands (Crown colony)
Brunei - State of Brunei (Protectorate)
Ceylon (Crown colony)
Cyprus (Crown colony)
Enderby Land (Uninhabited possession)
Falkland Islands (Crown colony)
Federated Malay States (Protectorate)
Gambia - Gambia Colony and Protectorate (Crown colony and protectorate)
Gibraltar (Crown colony)
Gold Coast (Crown colony)
Guernsey - Bailiwick of Guernsey (Crown dependency)
Heard Island and McDonald Islands (Uninhabited possession)
23x15px Hong Kong (Crown colony)
India - Indian Empire (Crown colony)
Isle of Man (Crown dependency)
Jamaica (Crown colony)
Jarvis Island (Uninhabited possession)
Jersey - Bailiwick of Jersey (Crown dependency)
Johor - State of Johor Darul Ta'zim (Protectorate)
Kedah - State of Kedah Darul Aman (Protectorate)
Kelantan - State of Kelantan Darul Naim (Protectorate)
Kenya - Kenya Colony and Protectorate (Crown colony and protectorate)
Kuwait - State of Kuwait (Protectorate)
Maldive Islands - Sultanate of the Maldive Islands (Protectorate)
Malta (Crown colony)
Mauritius (Crown colony)
Muscat and Oman - Sultanate of Muscat and Oman (State under the informal protection)
Nigeria - Colony and Protectorate of Nigeria (Crown colony and protectorate)
North Borneo (Protectorate)
Northern Rhodesia - Protectorate of Northern Rhodesia (Protectorate)
Nyasaland - Nyasaland Protectorate (Protectorate)
Perlis - State of Perlis Indera Kayangan (Protectorate)
Qatar - State of Qatar (Protectorate)
Saint Helena (Crown colony)
Sarawak - Kingdom of Sarawak (Protectorate)
Seychelles (Crown colony)
Sierra Leone - Sierra Leone Colony and Protectorate (Crown colony and protectorate)
Southern Rhodesia - Colony of Southern Rhodesia (Crown colony)
Straits Settlements (Crown colony)
Swaziland - Swaziland Protectorate (Protectorate)
Terengganu - State of Terengganu Darul Iman (Protectorate)
Trinidad and Tobago (Crown colony)
Tristan da Cunha (Crown colony)
Trucial States (Protectorate)
Uganda (Crown colony)
Victoria Land (Uninhabited possession)
Zanzibar - Sultanate of Zanzibar (Protectorate)