Sovereign states
editA
edit- 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
edit- Belgium - Kingdom of Belgium
- Bolivia - Republic of Bolivia
- Brazil - Republic of the United States of Brazil
- Bulgaria - Kingdom of Bulgaria
C
edit- Canada - Dominion of Canada
- 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
edit- Danzig - Free City of Danzig
- Denmark - Kingdom of Denmark
- Dominican Republic
E
edit- Ecuador - Republic of Ecuador
- Egypt - Kingdom of Egypt
- El Salvador - Republic of El Salvador
- Estonia - Republic of Estonia
F
editG
editH
editI
edit- Iceland - Kingdom of Iceland
- Iran - Imperial State of Iran
- Iraq - Kingdom of Iraq
- Ireland
- Irish Free State (to December 29)
- Ireland (from December 29)
- Italy - Kingdom of Italy
J
edit- Japan - Empire of Japan
L
edit- Latvia - Republic of Latvia
- Liberia - Republic of Liberia
- Liechtenstein - Principality of Liechtenstein
- Lithuania - Republic of Lithuania
- Luxembourg - Grand Duchy of Luxembourg
M
edit- Mexico - United Mexican States
- Monaco - Principality of Monaco
- Mongolia - Mongolian People's Republic
N
edit- Nepal - Kingdom of Nepal
- Netherlands - Kingdom of the Netherlands
- New Zealand - Dominion of New Zealand (Dominion of the British Empire)
- Nicaragua - Republic of Nicaragua
- Norway - Kingdom of Norway
P
edit- Panama - Republic of Panama
- Paraguay - Republic of Paraguay
- Peru - Peruvian Republic
- Poland - Republic of Poland
- Portugal - Portuguese Republic
R
edit- Romania - Kingdom of Romania
S
edit- San Marino - Most Serene Republic of San Marino
- Saudi Arabia - Kingdom of Saudi Arabia
- Siam - Kingdom of Siam
- South Africa - Union of South Africa
- Soviet Union - Union of Soviet Socialist Republics
- Spain (Disputed between two governments)
- Sweden - Kingdom of Sweden
- Switzerland - Swiss Confederation
T
edit- Turkey - Republic of Turkey
U
edit- United Kingdom - United Kingdom of Great Britain and Northern Ireland
- United States - United States of America
- Uruguay - Eastern Republic of Uruguay
V
edit- Vatican City - State of the Vatican City
- Venezuela - United States of Venezuela
Y
edit- Yemen - Mutawakkilite Kingdom of Yemen
- Yugoslavia - Kingdom of Yugoslavia
Other states
edit- China, Provisional Government of - Provisional Government of the Republic of China (from December 14)
- East Hebei - East Hebei Autonomous Council
- Manchukuo - Great Empire of Manchuria
- Mengjiang
- Mongol Military Government (to November 22)
- Mongol United Autonomous Government (from November 22)
- Philippine Commonwealth - Commonwealth of the Philippines (Semi-independent self-governing commonwealth of the United States)
- Shanghai - Dadao Municipal Government of Shanghai (from December 5)
- Tannu Tuva - Tuvan People's Republic
- Tibet
Non-Sovereign Territories
editAustralia
edit- Australian Antarctic Territory (Uninhabited external territory)
- Norfolk Island - Territory of Norfolk Island (External territory)
- Papua - Territory of Papua (External territory)
Belgium
edit- Belgian Congo (Colony)
Condominiums
edit- Anglo-Egyptian Sudan (Anglo-Egyptian condominium)
- New Hebrides (Anglo-French condominium)
Denmark
edit- Greenland (Possession)
France
edit- Adélie Land (Uninhabited possession)
- Clipperton Island (Uninhabited possession)
- 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 - Kingdom of Morocco (Protectorate)
- New Caledonia - New Caledonia and Dependencies (Colony)
- Réunion (Colony)
- Saint Pierre and Miquelon (Colony)
- Shanghai (Concession)
- Tientsin (Concession)
- Tunisia - Tunisian Realm (Protectorate)
International
edit- Shanghai - Shanghai International Settlement (International concession)
- Tangier - City of Tangier (International zone)
Italy
edit- Italian East Africa (Colony)
- Italian Libya (Colony)
- Tientsin (Concession)
Japan
edit- Chōsen (Dependency)
- Karafuto - Karafuto Prefecture (Dependency)
- Kwantung - Kwantung Leased Territory (Concession)
- Taiwan (Dependency)
- Tientsin (Concession)
League of Nations Mandates
edit- British Togoland (administered by the United Kingdom)
- Cameroons - British Cameroons (administered by the United Kingdom)
- Cameroun (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 - British Mandate of 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 - Mandate of Syria (administered by France)
- Tanganyika - Tanganyika Territory (administered by the United Kingdom)
- Western Samoa (administered by New Zealand)
Netherlands
edit- Curaçao - Curaçao and Dependencies (Colony)
- Netherlands East Indies (Colony)
- Netherlands Guiana (Colony)
New Zealand
edit- Cook Islands (Dependent territory)
- Niue Island (Dependent territory)
- Ross Dependency (Uninhabited dependent territory)
- Union Islands (Dependent territory)
Norway
edit- Bouvet Island (Uninhabited possession)
- Peter I Island (Uninhabited possession)
Portugal
edit- Cape Verde Islands (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
edit- Ifni (Colony, controlled by Nationalist forces)
- Spanish Guinea (Colony, controlled by Nationalist forces)
- Spanish Morocco (Protectorate, controlled by Nationalist forces)
- Spanish Sahara (Colony, controlled by Nationalist forces)
United Kingdom
edit- Aden - Aden Colony and Protectorate (from April 1, Crown colony and protectorate)
- Bahama Islands (Crown colony)
- Bahrain - Sheikdom of Bahrain (Protectorate)
- Barbados (Crown colony)
- Basutoland - Territory of Basutoland (Crown colony)
- Bechuanaland - Bechuanaland Protectorate (Protectorate)
- Bermuda (Crown colony)
- Bhutan - Kingdom of Bhutan (Protectorate)
- 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 Darussalam (Protectorate)
- Burma (from April 1, Crown colony)
- Ceylon (Crown colony)
- File:Cyprus Blue Ensign 1922.PNG Cyprus (Crown colony)
- 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)
- Hong Kong (Crown colony)
- India - Indian Empire (Crown colony)
- Isle of Man (Crown dependency)
- Jamaica (Crown colony)
- 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 - Sheikdom 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 (Protectorate)
- Newfoundland - Dominion of Newfoundland (Crown colony)
- Nigeria - Colony and Protectorate of Nigeria (Crown colony and protectorate)
- North Borneo (Crown colony)
- Northern Rhodesia - Protectorate of Northern Rhodesia (Protectorate)
- Nyasaland - Nyasaland Protectorate (Protectorate)
- Perlis - State of Perlis Indera Kayangan (Protectorate)
- Qatar - Sheikdom 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)
- Suez Canal Zone (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)
- Zanzibar - Sultanate of Zanzibar (Protectorate)
United States
edit- Alaska - Alaska Territory (Territory)
- American Samoa - Territory of American Samoa (Territory)
- Bajo Nuevo Bank (Uninhabited territory)
- Baker Island (Uninhabited territory)
- Guam - Territory of Guam (Territory)
- Hawaii - Territory of Hawaii (Territory)
- Howland Island (Uninhabited territory)
- Jarvis Island (Uninhabited territory)
- Johnston Atoll (Uninhabited territory)
- Kingman Reef (Uninhabited territory)
- Midway Atoll (Uninhabited territory)
- Navassa Island (Uninhabited territory)
- Panama Canal Zone (Territory)
- Puerto Rico (Territory)
- Quita Sueño Bank (Uninhabited territory)
- Roncador Bank (Uninhabited territory)
- Serrana Bank (Uninhabited territory)
- Serranilla Bank (Uninhabited territory)
- Swan Islands (Uninhabited territory)
- United States Virgin Islands (Territory)
- Wake Island (Uninhabited territory)