List of sovereign states in 1918

overeign States

A

*flagicon|Albania|1914 Albania – Principality of Albania
*flag|Andorra – Principality of Andorra
*flag|Argentina – Argentine Republic
*flagicon|Armenia|1918 Armenia – Democratic Republic of Armenia (from May 28)
*flagicon image|Flag_of_Asir.svg Asir – Emirate of Asir
*flagicon image|Flag_of_Upper_Asir.svg Upper Asir – Emirate of Upper Asir
*flag|Australia – Commonwealth of Australia
*flag|Austria-Hungary – Austro-Hungarian Empire (to November 12)
*flagicon|Azerbaijan|1918 Azerbaijan – Azerbaijan Democratic Republic (from May 28)

B

*flag|Belgium|state – Kingdom of Belgium
*flag|Bolivia – Republic of Bolivia
*flag|Brazil|1889 – Republic of the United States of Brazil
*flagicon|Bulgaria|1878 Bulgaria – Kingdom of Bulgaria

C

*flag|Canada|1868 – Dominion of Canada
*flag|Chile – Republic of Chile
*flag|Republic of China|1912|name=China – Republic of China
*flag|Colombia – Republic of Colombia
*flag|Costa Rica|state – Republic of Costa Rica
*flag|Cuba – Republic of Cuba
*flagicon|Bohemia Czechoslovakia – Czecho-Slovak Republic (from 28 October)

D

*flag|Denmark – Kingdom of Denmark
*flag|Dominican Republic – Dominican Republic

E

*flag|Ecuador – Republic of Ecuador
*flag|El Salvador – Republic of El Salvador
*flag|Estonia – Republic of Estonia (from February 24)
*flagicon|Ethiopia|1897 Ethiopia – Empire of Ethiopia

F

*flagicon image|Flag_of_Finland_1918_%28state%29.svg flagicon|Finland Finland – Kingdom of Finland
*flagicon|France France – French Republic

G

*flagicon image|Flag of Georgia (1918-1921).svg Georgia – Democratic Republic of Georgia (from May 26)
*flagicon|Austria German Austria – Republic of German Austria (from November 12)
*flagicon|German Empire Germany – German Empire (to November 9)
**flagicon|Weimar Republic German Reich (from November 9)
*flagicon|Greece|royal Greece – Kingdom of Greece
*flag|Guatemala – Republic of Guatemala

H

*flagicon image|Flag of the Emirate of Ha'il.svg Ha'il – Emirate of Ha'il
*flag|Haiti|civil – Republic of Haiti
*flag|Kingdom of Hejaz|1917|name=Hejaz – Kingdom of Hejaz
*flag|Honduras – Republic of Honduras
*flagicon|Hungary|civil Hungary – Hungarian Democratic Republic (from November 16)

I

*flagicon image|Light Blue Flag of Iceland.svg Iceland – Kingdom of Iceland (from December 11)
*flagicon|Italy|1861 Italy – Kingdom of Italy

J

*flag|Empire of Japan|name=Japan – Empire of Japan

L

*flag|Latvia – Republic of Latvia (from November 18)
**flagicon image|Red flag.svg Latvian Socialist Soviet Republic (from December 17)
*flag|Liberia – Republic of Liberia
*flagicon image|Flag of Liechtenstein (1852-1921).svg Liechtenstein – Principality of Liechtenstein
*flag|Lithuania|1918 – Republic of Lithuania (from November 2)
*flag|Luxembourg – Grand Duchy of Luxembourg

M

*flag|Mexico|1917 – United Mexican States
*flag|Monaco – Principality of Monaco
*flagicon|Montenegro|1910 Montenegro – Kingdom of Montenegro (to 26 November)

N

*flagicon image|Flag_of_the_Second_Saudi_State.svg Nejd – Emirate of Nejd
*flag|Netherlands – Kingdom of The Netherlands
*flag|Newfoundland – Dominion of Newfoundland
*flagicon|New Zealand New Zealand – Dominion of New Zealand
*flag|Nicaragua – Republic of Nicaragua
*flag|Norway – Kingdom of Norway

O

*flag|Ottoman Empire – Sublime Ottoman State

P

*flag|Panama – Republic of Panama
*flagicon image|Flag of Paraguay 1842.png Paraguay – Republic of Paraguay
*flagicon image|Flag of Persia (1910).svg Persia – Persian Empire
*flag|Peru|1825 – Peruvian Republic
*flagicon|Poland Poland – Republic of Poland (from November 11)
*flag|Portugal – Portuguese Republic

R

*flagicon|Romania Romania – Kingdom of Romania
*flagicon|Russia Russia – Russian Soviet Republic (to January 28)
**flagicon|Russian SFSR|1918 Russian Soviet Federative Socialist Republic (from January 28)

*flag|San Marino – Most Serene Republic of San Marino
*flag|Kingdom of Serbia|name=Serbia – Kingdom of Serbia (to December 1)
*flag|Kingdom of Yugoslavia|name=Serbs, Croats and Slovenes – Kingdom of Serbs, Croats, and Slovenes (from December 1)
*flag|Thailand|name=Siam – Kingdom of Siam
*flagicon|South Africa|1910 South Africa – Union of South Africa
*flagicon image|State shs.svg Slovenes, Croats and Serbs – State of Slovenes, Croats and Serbs (from October 28 to December 1)
*flagicon|Spain|1785 Spain – Kingdom of Spain
*flag|Sweden – Kingdom of Sweden
*flag|Switzerland – Swiss Confederation

T

*flagicon image|Flag_of_the_Transcaucasian_Federation.svg Transcaucasia – Transcaucasian Democratic Federative Republic (from February 24 to May 28)

U

*flagicon|United Kingdom United Kingdom – United Kingdom of Great Britain and Ireland
*flag|United States|1912 – United States of America
*flag|Uruguay – Eastern Republic of Uruguay

V

*flag|Venezuela|1905 – United States of Venezuela

Y

*flagicon image|Flag of Yemen 1918.svg Yemen – Mutawakkilite Kingdom of Yemen (from November 1)

tates Claiming Sovereignty

*flagicon image|Flag of the Alash Autonomy.svg Alash – Alash Autonomy
*flagicon image|Red flag.svg Alsace – Alsace Soviet Republic (from November 9 to November 22)
*flagicon image|Flag_of_the_Republic_of_Alsace-Lorraine.svg Alsace-Lorraine – Independent Republic of Alsace-Lorraine (from November 11 to November 17)
*flagicon image|Sin_bandera.svg Banat – Banat Republic (from October 31 to November 15)
*flagicon|Belarus|1991 Belarus – Belarusian People's Republic (from March 25)
*flagicon image|Flag of the Centrocaspian Dictatorship.svg Centrocaspian Dictatorship – Centrocaspian Dictatorship (from August 1 to September 15)
*flagicon|Latvia Courland and Semigallia – Duchy of Courland and Semigallia (from March 8 to September 22)
*flagicon image|Flag of the Crimean Republic.svg Crimea – Crimean People's Republic (to January)
*flagicon image|Flag of Don Cossacks.svg Don – Don Republic (from May 18)
*flagicon image|Flag_DKR.svg Donetsk-Krivoy Rog – Donetsk-Krivoy Rog Soviet Republic (from February 12 to March 20)
*flagicon image|Estonianworkerscommuneflag.gif Estonia – Commune of the Working People of Estonia (from November 29)
*flagicon image|Flag_of_Idel-Ural_State.svg Idel-Ural – Idel-Ural State (to April)
*flagicon image|Flag of the South West Caucasian Republic.svg Kars – Democratic Republic of South West Caucasus (from December 1)
*flag|Kuban – Kuban People's Republic (from January 28)
*flagicon|Ukraine Komancza – Komancza Republic (from November 4)
*flagicon image|Flag of Lado.svg Lado – Lado District
*flagicon image|Flag of the Lemko-Rusyn Republic.svg Lemko-Rusyn – Lemko Rusyn Republic of Florynka (from December 5)
*flagicon|Lithuania|1918 Lithuania – Kingdom of Lithuania (from July 13 to November 2)
*flagicon image|R D Moldova.png Moldavia – Moldavian Democratic Republic (to April 9)
*flagicon image|Sin bandera.svg Mountainous Armenia – Republic of Mountainous Armenia (from 1918 to later the same year)
*flagicon image|Flag of the North Caucasian Emirate.svg North Caucasian Emirate – North Caucasian Emirate (from 1918)
*flagicon image|Flag of the Mountainous Republic of the Northern Caucasus.svg Northern Caucasus – Mountainous Republic of the Northern Caucasus
*noflag|Poland – Kingdom of Poland (to November 11)
*flagicon image|Flag_of_Tavolara.gif Tavolara – Kingdom of Tavolara
*flag|Tibet – Tibet
*flagicon|Ukraine|1918 Ukraine – Ukrainian People's Republic (to January 27)
**flagicon|Ukraine Ukrainian State (from April 28 to December 14)
**flagicon|Ukraine Ukrainian People's Republic (from December 14)
**flagicon image|Red flag.svg Ukrainian Soviet Socialist Republic
*flagicon|Ukraine West Ukraine – West Ukrainian National Republic (from October 19)
*flagicon image|Flag_of_Administration_of_Western_Armenia.svg Western Armenia – Administration for Western Armenia (to April 7)
*flagicon|Russia White Russia – Provisional All-Russian Government (from September 23)