List of sovereign states, 1919 (God Save the Tsar)

A

 * Emirate of Afghanistan (from August 19)
 * Albania - Principality of Albania
 * Andorra - Principality of Andorra
 * Argentina - Argentine Republic
 * Australia - Commonwealth of Australia
 * Asir - Emirate of Asir
 * Asir, Upper - Emirate of Upper Asir
 * Austria
 * (to September 10)
 * Federal State of Austria (from September 10)

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
 * Czechoslavkia - Czecho-Slovak Republic

D

 * Denmark - Kingdom of Denmark
 * Dominican Republic

E

 * Ecuador - Republic of Ecuador
 * El Salvador - Republic of El Salvador
 * Estonia - Republic of Estonia
 * Ethiopia - Ethiopian Empire

F

 * France - French Republic

G

 * Germany - Weimar Republic
 * Greece - Kingdom of Greece
 * Guatemala - Republic of Guatemala

H

 * Ha'il - Emirate of Ha'il
 * Haiti - Republic of Haiti
 * Hejaz - Kingdom of Hejaz
 * Honduras - Republic of Honduras
 * Hungary
 * (to March 21)
 * (from March 21 to August 1)
 * (from August 2 to August 8)
 * (from August 8)

I

 * Italy - Kingdom of Italy

J

 * Japan - Empire of Japan

L

 * Liberia - Republic of Liberia
 * Liechtenstein - Principality of Liechtenstein
 * Luxembourg - Grand Duchy of Luxembourg

M

 * Mexico - United Mexican States
 * Monaco - Principality of Monaco

N

 * Njed - Emirate of Nejd
 * Nepal - Kingdom of Nepal
 * Netherlands - Kingdom of the Netherlands
 * Newfoundland - Dominion of Newfoundland
 * New Zealand - Dominion of New Zealand
 * Nicaragua - Republic of Nicaragua
 * Norway - Kingdom of Norway

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
 * Serbs, Croats and Slovenes - Kingdom of Serbs, Croats, and Slovenes
 * Siam - Kingdom of Siam
 * South Africa - Union of South Africa
 * Spain - Kingdom of Spain
 * Sweden - Kingdom of Sweden
 * Switzerland - Swiss Confederation

T

 * Turkey - Sublime Ottoman State

U

 * United Kingdom- United Kingdom of Great Britain and Ireland
 * United States - United States of America
 * Uruguay
 * (to March 1)
 * (from March 1)