Sovereign states by year: List of sovereign states in 1940 – Events of 1941 – List of sovereign states in 1942

Sovereign States

A

•  Afghanistan – Kingdom of Afghanistan
•  Andorra – Principality of Andorra
•  Argentina – Argentine Republic
•  Australia – Commonwealth of Australia

B

•  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

D

•  Dominican Republic – Dominican Republic

E

•  Ecuador – Republic of Ecuador
• Egypt – Kingdom of Egypt
•  El Salvador – Republic of El Salvador
• Ethiopia – Empire of Ethiopia (from May 5)

F

•  Finland – Republic of Finland
• France – French State

G

• Germany – Greater German Reich
• Greece – Kingdom of Greece (to April 6)
•  Guatemala – Republic of Guatemala

H

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

I

• Iceland – Kingdom of Iceland
• Iran – Imperial State of Iran
• Iraq – Kingdom of Iraq
•  Ireland – Ireland
• Italy – Kingdom of Italy

J

• Japan – Empire of Japan

L

•  Liberia – Republic of Liberia
•  Liechtenstein – Principality of Liechtenstein

M

•  Mexico – United Mexican States
•  Monaco – Principality of Monaco
•  Mongolia – People's Republic of Mongolia

N

•  Nepal – Kingdom of Nepal
•  New Zealand – Dominion of New Zealand
• Newfoundland – Dominion of Newfoundland
•  Nicaragua – Republic of Nicaragua

P

•  Panama – Republic of Panama
•  Paraguay – Republic of Paraguay
•  Peru – Peruvian Republic
•  Portugal – Portuguese Republic

R

• Romania – Kingdom of Romania

S

•  San Marino – Most Serene Republic of San Marino
• Saudi Arabia – Kingdom of Saudi Arabia
• South Africa – Union of South Africa
•  Soviet Union – Union of Soviet Socialist Republics
• Spain – Spanish State
•  Sweden – Kingdom of Sweden
•  Switzerland – Swiss Confederation

T

•  Tannu Tuva – People's Republic of Tannu Tuva
•  Thailand – Kingdom of Thailand
•  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 – State of the Vatican City
•  Venezuela – United States of Venezuela

Y

• Yemen – Mutawakkilite Kingdom of Yemen
• Yugoslavia – Kingdom of Yugoslavia (until April 17)

States Claiming Sovereignty

• Albania – Albanian Kingdom
• Croatia – Independent State of Croatia (from April 10)
•  Manchukuo – Empire of Manchuria
•  Mengjiang – Mengjiang United Autonomous Government
• Montenegro – Independent State of Montenegro (from May 17)
• Wang Jingwei Government – Nanjing Nationalist Government
• Government of National Salvation (from April 17)
• Slovakia – Slovak Republic
•  Tibet – Kingdom of Tibet
• Užice – Republic of Užice (from July 28 to December 1)