Sovereign states by year: List of sovereign states in 1915 – Events of 1916 – List of sovereign states in 1917

Sovereign States

A

• Albania – Principality of Albania
•  Andorra – Principality of Andorra
•  Argentina – Argentine Republic
• Asir – Emirate of Asir
• Upper Asir – Emirate of Upper Asir (from 1916)
•  Australia – Commonwealth of Australia
•  Austria-Hungary – Austro-Hungarian Empire

B

•  Belgium – Kingdom of Belgium
•  Bolivia – Republic of Bolivia
•  Brazil – Republic of the United States of Brazil
• Bukhara – Emirate of Bukhara
• Bulgaria – Kingdom of Bulgaria

C

•  Canada – Dominion of Canada
•  Chile – Republic of Chile
• Empire of China (to March 22)
  • Republic of China (from March 22)
•  Colombia – Republic of Colombia
•  Costa Rica – Republic of Costa Rica
•  Cuba – Republic of Cuba

D

•  Denmark – Kingdom of Denmark
•  Dominican Republic – Dominican Republic

E

•  Ecuador – Republic of Ecuador
•  El Salvador – Republic of El Salvador
• Ethiopia – Empire of Ethiopia

F

• France – French Republic

G

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

H

• Ha'il – Emirate of Ha'il
•  Haiti – Republic of Haiti
• Hejaz – Kingdom of Hejaz (from June 10)
•  Honduras – Republic of Honduras

I

• Italy – Kingdom of Italy

J

•  Japan – Empire of Japan

K

• Khiva – Khanate of Khiva

L

•  Liberia – Republic of Liberia
• Liechtenstein – Principality of Liechtenstein
•  Luxembourg – Grand Duchy of Luxembourg

M

•  Mexico – United Mexican States
•  Monaco – Principality of Monaco
• Montenegro – Kingdom of Montenegro

N

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

O

•  Ottoman Empire – Sublime Ottoman State

P

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

R

• Romania – Kingdom of Romania
•  Russia – Russian Empire

S

•  San Marino – Most Serene Republic of San Marino
• Serbia – Kingdom of Serbia
•  Siam – Kingdom of Siam
• South Africa – Union of South Africa
•  Spain – Kingdom of Spain
•  Sweden – Kingdom of Sweden
•  Switzerland – Swiss Confederation

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

States Claiming Sovereignty

• Tavolara – Kingdom of Tavolara
•  Tibet – Tibet
• Western Armenia – Administration for Western Armenia