1921 sovereign states - Events of 1922 - 1923 sovereign states - Sovereign states by year

Sovereign States

A

•  Afghanistan – Emirate of Afghanistan
•  Albania – Albania
•  Andorra – Principality of Andorra
•  Argentina – Argentine Republic
• Asir – Emirate of Asir
•  Australia – Commonwealth of Australia
•  Austria – Republic 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
•  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 – Dominican Republic

E

•  Ecuador – Republic of Ecuador
• Egypt – Kingdom of Egypt (from November 11)
•  El Salvador – Republic of El Salvador
•  Estonia - Republic of Estonia
• Ethiopia – Empire of Ethiopia

F

•  Finland - Republic of Finland
•  Fiume – Free State of Fiume
•  France – French Republic

G

•  Germany – German Empire
• Greece – Kingdom of Greece
•  Guatemala – Republic of Guatemala

H

•  Haiti – Republic of Haiti
• Hejaz – Kingdom of Hejaz
•  Honduras – Republic of Honduras
•  Hungary – Kingdom of Hungary

I

• Iceland – Kingdom of Iceland
• Ireland – Irish Free State (from December 6)
• 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 – Mongolia

N

• Nejd – Sultanate of Nejd
•  Netherlands – Kingdom of The Netherlands
•  New Zealand – Dominion of New Zealand
•  Newfoundland – Dominion of Newfoundland
•  Nicaragua – Republic of Nicaragua
•  Norway – Kingdom of Norway

O

•  Ottoman Empire – Ottoman Empire (to November 17)

P

•  Panama – Republic of Panama
•  Paraguay – Republic of Paraguay
• Persia – Persian Empire
•  Peru – Peruvian Republic
•  Poland – Republic of Poland
•  Portugal – Portuguese Republic

R

• Romania – Kingdom of Romania
• Russia – Russian Soviet Federative Socialist Republic (to December 30)

S

•  San Marino – Most Serene Republic of San Marino
• Serbs, Croats and Slovenes – Kingdom of Serbs, Croats, and Slovenes
•  Siam – Kingdom of Siam
• South Africa – Union of South Africa
• Soviet Union – Union of Soviet Socialist Republics (from December 30)
•  Spain – Kingdom of Spain
•  Sweden – Kingdom of Sweden
•  Switzerland – Swiss Confederation

T

• Tannu Tuva – People's Republic of Tannu Tuva
• Tavolara – Kingdom of Tavolara
•  Turkey – Turkey (from November 17)

U

•  United Kingdom – United Kingdom of Great Britain and Ireland
•  United States – United States of America
•  Uruguay – Eastern Republic of Uruguay

V

• Venezuela – United States of Venezuela

Y

• Yemen – Mutawakkilite Kingdom of Yemen

States Claiming Sovereignty

• Abkhazia – Soviet Socialist Republic of Abkhazia (to March 12)
• Armenia – Armenian Soviet Socialist Republic (to March 12)
• Azerbaijan – Azerbaijan Soviet Socialist Republic (to March 12)
• Byelorussia – Byelorussian Soviet Socialist Republic (to December 30)
• Central Lithuania – Republic of Central Lithuania (to March 24)
• Far Eastern Republic – Far Eastern Republic (to November 15)
•  Georgian SSR – Georgian Soviet Socialist Republic (to March 12)
• Ireland – Irish Republic (to December 6)
• Kurdistan – Kingdom of Kurdistan (from September)
• Rif – Confederal Republic of the Tribes of the Rif
•  Tibet – Tibet
•  Transcaucasia – Transcaucasian Soviet Federative Socialist Republic (March 12 to December 30)
• Ukraine – Ukrainian Soviet Socialist Republic (to December 30)