Sovereign states
A
Afghanistan – Emirate of Afghanistan
Capital: Kabul
Andorra – Principality of Andorra
Capital: Andorra la Vella- Angoche – Angoche Sultanate
Capital: Angoche 
Anhalt-Bernburg – Duchy of Anhalt-Bernburg
Capital: Bernburg
Anhalt-Dessau – Duchy of Anhalt-Dessau
Capital: Dessau- Anhalt-Köthen – Duchy of Anhalt-Köthen
Capital: Köthen 
Ankole – Kingdom of Ankole
Capital: Mbarara- Annam – Empire of Annam
Capital: Huế - Anziku – Anziku Kingdom
Capital: Monsol 
Argentina – Argentine Confederation
Capital: Paraná, Entre Ríos (from 1853)
Aro – Aro Confederacy
Capital: Arochukwu
Ashanti – Asante Union
Capital: Kumasi- Aussa – Sultanate of Aussa
Capital: Asaita 
Austria – Austrian Empire
Capital: Vienna
B
Baden – Grand Duchy of Baden
Capital: Karlsruhe- Baguirmi – Kingdom of Baguirmi
Capital: Massenya - Bamana – Bambara Empire
Capital: Ségou - Baol – Kingdom of Baol
Capital: Diourbel 
Barotseland – Kingdom of Barotseland- Basutoland – Kingdom of Basutoland
- Baté Empire – Baté Empire
Capital: Kankan 
Bavaria – Kingdom of Bavaria
Capital: Munich
Belgium – Kingdom of Belgium
Capital: Brussels
Benin – Benin Empire
Capital: Benin City- Bhutan – Kingdom of Bhutan
Capital: Thimphu 
Bohemia – Kingdom of Bohemia
Capital: Prague
→ 
Bolivia – Bolivian Republic
Capital: La Paz
Bora Bora – Kingdom of Bora Bora
Capital: Vaitape
Bornu – Bornu Empire
Capital: Ngazargamu
Brazil – Empire of Brazil
Capital: Rio de Janeiro
Bremen – Free City of Bremen
British India - Indian Empire
Capital: Calcutta
Brunei – Sultanate of Brunei
Brunswick – Duchy of Brunswick
Buganda – Kingdom of Buganda
Bukhara – Emirate of Bukhara- Bundu - State of Bundu to 1858
Bunyoro – Kingdom of Bunyoro-Kitara
Burma – Kingdom of Burma- Burundi – Kingdom of Burundi
C
Cambodia – Kingdom of Cambodia- Cayor – Kingdom of Cayor
Central Italy – United Provinces of Central Italy (from December 8)
Chile – Republic of Chile- China – Great Qing Empire
Cook Islands → Rarotonga
Costa Rica – Republic of Costa Rica
Couto Misto
Croatia – Kingdom of Croatia (Habsburg) (In Personal union with Kingdom of Hungary)
D
- Dahomey – Kingdom of Dahomey
- Dendi – Dendi Kingdom
Denmark – Kingdom of Denmark
Dominican Republic – Dominican Republic
E
Ecuador – Republic of Ecuador
El Salvador – El Salvador
Ethiopia – Ethiopian Empire
F
- Fiji – Tui Viti
- Finland – Grand Duchy of Finland
France
- French Republic (to December 2, 1852)
- French Empire (from December 2, 1852)
Frankfurt – Free City of Frankfurt- Futa Jallon – Imamate of Futa Jallon
- Futa Toro – Imamate of Futa Toro
G
Garhwal – Garhwal Kingdom- Garo – Kingdom of Garo
- Gaza – Gaza Empire
- Gera – Kingdom of Gera
- Gomma – Kingdom of Gomma
Granadine Confederation – Granadine Confederation (from May 22, 1858)
Greece – Kingdom of Greece
→ 
→ 
Guatemala – Republic of Guatemala- Gumma – Kingdom of Gumma
- Gyaaman – State of Gyaaman
H
Ha'il – Emirate of Ha'il
→ 
Haiti
- Empire of Haiti (to January 15, 1859)
- Republic of Haiti (from January 15, 1859)
Hamburg – Free city of Hamburg
Hanover – Kingdom of Hanover
Hawaii – Kingdom of Hawaii
Hesse-Darmstadt – Grand Duchy of Hesse and by Rhine
Hesse-Homburg – Landgraviate of Hesse-Homburg
Hesse-Kassel (or Hesse-Cassel) – Electorate of Hesse
Hohenzollern-Hechingen – Principality of Hohenzollern-Hechingen (to April 8, 1850)- Hohenzollern-Sigmaringen – Principality of Hohenzollern-Sigmaringen (to April 6, 1850)
Holstein – Duchy of Holstein
Honduras – Republic of Honduras
Huahine – Kingdom of Huahine
Hungary – Kingdom of Hungary- Huraa – Huraa dynasty
Hyderabad State (princely state of British India)
J
- Janjero – Kingdom of Janjero
- Japan – Tokugawa shogunate
- Jimma – Kingdom of Jimma
Johor – Johor Sultanate- Jolof – Jolof Kingdom
K
- Kaabu – Kingdom of Kaabu
- Kabulistan – Kingdom of Kabul (from 1858)
- Kaffa – Kingdom of Kaffa
Kathiri – Kathiri Sultanate of Seiyun in Hadramaut- Kénédougou – Kénédougou Kingdom
- Khasso – Kingdom of Khasso
Khiva – Khanate of Khiva- Kokand – Khanate of Kokand
- Kong – Kong Empire
Kongo – Kingdom of Kongo
→ 
Korea – Kingdom of Great Joseon- Koya Temne – Kingdom of Koya
L
Liberia – Republic of Liberia
→ 
Liechtenstein – Principality of Liechtenstein
Limburg – Duchy of Limburg- Limmu-Ennarea – Kingdom of Limmu-Ennarea
Lippe – Principality of Lippe-Detmoldt- Loango – Kingdom of Loango
Lombardy–Venetia – Kingdom of Lombardy–Venetia- Luba – Luba Empire
Lubeck – Free City of Lubeck- Lunda – Lunda Empire
Luxembourg – Grand Duchy of Luxembourg
M
- Maldives – Sultanate of Maldives
Mangareva – Kingdom of Mangareva- Manipur – Kingdom of Manipur
Maryland – State of Maryland in Africa[1] (from 29 May 1854 to 18 March 1857)- Massina – Massina Empire
- Matabeleland – Matabele Kingdom
Mecklenburg-Schwerin – Grand Duchy of Mecklenburg-Schwerin- Mecklenburg-Strelitz – Grand Duchy of Mecklenburg-Strelitz
Mexico – Republic of Mexico- Mindanao – Sultanate of Maguindanao
Modena – Duchies of Modena and Reggio
Moldavia - Principality of Moldavia
Monaco – Principality of Monaco
→ 
Montenegro
- Prince-Bishopric of Montenegro (to March 13, 1852)
- Principality of Montenegro (from March 13, 1852)
Morocco – Sultanate of Morocco
Muscat and Oman – Sultanate of Muscat and Oman (from 1856)
N
Nassau – Duchy of Nassau
Negeri Sembilan – Negeri Sembilan
Nejd – Emirate of Nejd
Nepal - Kingdom of Nepal
Netherlands – Kingdom of the Netherlands- New Granada – Republic of New Granada (renamed Granadine Confederation on May 22, 1858)
- →
→ 
Nicaragua – Republic of Nicaragua
Norway → Sweden and Norway
- Nri – Kingdom of Nri
O
Oldenburg – Grand Duchy of Oldenburg
Orange Free State – Republic of Orange Free State (from February 17, 1854)
Ottoman Empire – Sublime Ottoman State- Ouaddai – Ouaddai Empire
- Oyo – Oyo Empire
P
Pahang – Sultanate of Pahang
Papal States – States of the Church
Paraguay – Republic of Paraguay
Parma – Duchy of Parma, Piacenza and Guastalla (to December 8, 1859)
Perak – Sultanate of Perak
Persia – Sublime State of Persia
Peru – Peruvian Republic
Portugal – Kingdom of Portugal
Prussia – Kingdom of Prussia
Q
Qu'aiti – Qu'aiti Sultanate of Shihr and Muqalla in Hadramaut
R
Raiatea – Kingdom of Raiatea- Rapa Nui – Kingdom of Rapa Nui
Rarotonga – Kingdom of Rarotonga (from 1858)
Reuss Elder Line – Principality of Reuss Elder Line
Reuss Junior Line – Principality of Reuss Junior Line
→ 
Russia – Russian Empire- Rwanda – Kingdom of Rwanda
Ryūkyū Kingdom – Kingdom of Ryūkyū
S
- Samoa – Kingdom of Samoa
San Marino – Most Serene Republic of San Marino
Sarawak – Kingdom of Sarawak
Sardinia – Kingdom of Sardinia
Saxe-Altenburg – Duchy of Saxe-Altenburg
Saxe-Coburg-Gotha – Duchy of Saxe-Coburg and Gotha- Saxe-Meiningen – Duchy of Saxe-Meiningen
Saxe-Weimar-Eisenach – Grand Duchy of Saxe-Weimar-Eisenach
Saxony – Kingdom of Saxony- Schaumburg-Lippe – Principality of Schaumburg-Lippe
Schleswig – Duchy of Schleswig
Schwarzburg-Rudolstadt – Principality of Schwarzburg-Rudolstadt
Schwarzburg-Sondershausen – Principality of Schwarzburg-Sondershausen
Selangor – Sultanate of Selangor
Serbia – Principality of Serbia
Siam – Kingdom of Siam- Sikkim – Chogyalate of Sikkim
Sokoto – Sokoto Caliphate
South African Republic → Transvaal
Sweden → Sweden and Norway
Sweden and Norway – United Kingdoms of Sweden and Norway
Switzerland – Swiss Confederation
T
Tahiti – Kingdom of Tahiti- Tonga – Tu'i Tonga
Toro – Toro Kingdom- Toucouleur – Toucouleur Empire
Transvaal – South African Republic (from June 27, 1856)
Tuscany – Grand Duchy of Tuscany
Two Sicilies – Kingdom of the Two Sicilies
U
United Kingdom – United Kingdom of Great Britain and Ireland
→ 
United States – United States of America
United States of the Ionian Islands – United States of the Ionian Islands
Uruguay – Eastern Republic of Uruguay
V
→ 
→ 
Venezuela – Republic of Venezuela
W
Waldeck-Pyrmont – Principality of Waldeck and Pyrmont- Welayta – Kingdom of Welayta
Württemberg – Kingdom of Württemberg
Y
Yeke – Yeke Kingdom (from 1856)
Z
- Zululand – Kingdom of Zululand
