Sovereign states

A
 Aceh – Sultanate of Aceh
 Acre – Republic of Acre (from July 14, 1899)
 Andorra – Principality of Andorra
 Ankole – Kingdom of Ankole (to June 30, 1896)
 – Argentine Republic
 Aro – Aro Confederacy
 – Asante Union
 – Austro-Hungarian Empire

B
Baguirmi – Kingdom of Baguirmi (September 20, 1897)
  – Emirate of Beihan
 – Kingdom of Belgium
 – Benin Empire (February 18, 1897)
Bhutan – Kingdom of Bhutan
  Biak-na-Bato – Philippine Republic (from November 1 to December 15, 1897)
 – Republic of Bolivia
 Bora Bora – Kingdom of Bora Bora (to September 21, 1895)
 Bornu – Bornu Empire (to 1893)
 Brazil – Republic of the United States of Brazil
 Bulgaria – Principality of Bulgaria
 Buganda – Kingdom of Buganda

C
 – Dominion of Canada
 →  Central America 
Greater Republic of Central America (from September 15, 1895 to November 1, 1898)
United States of Central America (from November 1 to November 21, 1898)
 Champasak – Kingdom of Champasak (from 1899)
 – Republic of Chile
 – Great Qing Empire
 – Republic of Colombia
 – Congo Free State
 – Republic of Costa Rica
  – Republic of Cuba (to April 4, 1899)

D
 Dahomey – Kingdom of Dahomey (to January 20, 1894)
 – Kingdom of Denmark
  – Emirate of Dhala
 – Dominican Republic

E
 – Republic of Ecuador
 El Salvador – El Salvador (to September 15, 1896 from November 21, 1898)
 – Ethiopian Empire

F
 France – French Republic
Futa Jallon – Imamate of Futa Jallon (to November 1896)
Futa Toro – Imamate of Futa Toro (to 1891)

G
 – German Empire
 – Kingdom of Greece
 Guatemala – Republic of Guatemala

H
 Ha'il – Emirate of Ha'il
 – Republic of Haiti
 Hawaii
Kingdom of Hawaii (to January 17, 1893)
Provisional Government of Hawaii (from January 17, 1893 to July 4, 1894)
Republic of Hawaii (from July 4, 1894)
 – Republic of Honduras (to September 15, 1896 from November 21, 1898)
 Huahine – Kingdom of Huahine (to September 15, 1895)

I
 – Kingdom of Italy

J
Janjero – Kingdom of Janjero (to 1894)
 – Empire of Japan

K
Kaffa – Kingdom of Kaffa (to September 11, 1897)
 Kano – Emirate of Kano
Kénédougou – Kénédougou Kingdom (to May 1, 1898)
Kong – Kong Empire (to 1895)
 Kongo – Kingdom of Kongo
 → 
Kingdom of Great Joseon (to October 12, 1897)
Korean Empire (from October 12, 1897)
Koya Temne – Kingdom of Koya (to August 31, 1896)

L
 – Republic of Liberia
 – Principality of Liechtenstein
Limmu-Ennarea – Kingdom of Limmu-Ennarea (to 1891)
 – Grand Duchy of Luxembourg

M
 Mahdist Sudan (to September 2, 1898)
 Maguindanao – Sultanate of Maguindanao (to October 30, 1898)
Manipur – Kingdom of Manipur (to 1891)
Matabeleland – Matabele Kingdom (to 1893)
 – United Mexican States
 – Principality of Monaco
 – Principality of Montenegro
 – Sultanate of Morocco

N
 Negeri Sembilan – Negeri Sembilan (to 1895)
 Nepal – Kingdom of Nepal
 – Kingdom of The Netherlands
 Nicaragua – Republic of Nicaragua (to September 15, 1896 from November 21, 1898)
 Norway – Kingdom of Norway (in personal union with Sweden) (Union badge removed 15 December 1899)

O

 – Sublime Ottoman State
Ouaddai – Ouaddai Empire

P
 – Republic of Paraguay
 →  Persia – Sublime State of Persia
 – Peruvian Republic
 Portugal – Kingdom of Portugal

R
 – Kingdom of Romania
 – Russian Empire

S
 Samoa – Kingdom of Samoa
 – Most Serene Republic of San Marino
 – Kingdom of Serbia
 – Kingdom of Siam
 Sokoto – Sokoto Caliphate
South African Republic  Transvaal
 Spain – Kingdom of Spain
 Sulu – Sultanate of Sulu
 – Kingdom of Sweden (in personal union with Norway)
 – Swiss Confederation

T
 Tagalog Republic – Sovereign Tagalog Nation (from August 29, 1896 to March 22, 1897)
 – Kingdom of Tonga
Toucouleur – Toucouleur Empire (to 1890)
Toro – Toro Kingdom (from August 14, 1891)
 – South African Republic
Tui Manuʻa – Tui Manuʻa Empire

U
 – United Kingdom of Great Britain and Ireland
 →  – United States of America
Upper Aulaqi Sultanate
Upper Aulaqi Sheikhdom
 – Sultanate of Upper Yafa
 – Eastern Republic of Uruguay

V
 – United States of Venezuela

W
  – Wahidi Sultanate of Balhaf
  – Wahidi Sultanate of Haban
Wassoulou – Wassoulou Empire (to September 29, 1898)
Welayta – Kingdom of Welayta (to November 1894)

Y
Yeke – Yeke Kingdom (to 1891)

Z
  Zamboanga – Republic of Zamboanga (from May 18 to November 16, 1898)

States claiming sovereignty
 Formosa – Republic of Formosa (from May 24 to October 23, 1895)
 Franceville – Independent Commune of Franceville (to 1890)
 Lado – Lado District
 Swaziland – Kingdom of Swaziland (from 1894)
 Trinidad – Principality of Trinidad (from 1893 to 1895)

Lists of countries in the 19th century