List of sovereign states in 1818

Sovereign states by year
List of sovereign states in 1817	Events of 1818	List of sovereign states in 1819

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Sovereign states

A

•   Ahom – Ahom Kingdom
• Alirajpur (to 1818)
•   Andorra – Principality of Andorra
• Anhalt-Bernburg – Duchy of Anhalt-Bernburg
• Anhalt-Dessau – Duchy of Anhalt-Dessau
• Anhalt-Köthen – Duchy of Anhalt-Köthen
• Ankole – Kingdom of Ankole
• Annam – Empire of Annam
•   Anziku – Anziku Kingdom
• Argentina – United Provinces of the Río de la Plata
• Aro – Aro Confederacy
•   Ashanti – Asante Union
•   Austria – Austrian Empire

B

•   Bade - Emirate of Bade (independent this year)
•   Baden – Grand Duchy of Baden
•   Baguirmi – Kingdom of Baguirmi
•   Bambara – Bambara Empire
•   Baol – Kingdom of Baol
•   Bavaria – Kingdom of Bavaria
•   Benin – Benin Empire
•   Bhutan – Kingdom of Bhutan
•   Bornu – Bornu Empire
•   Bremen – Free City of Bremen
•   Brunei – Sultanate of Brunei
•   Brunswick – Duchy of Brunswick
• Buganda – Kingdom of Buganda
• Bukhara – Emirate of Bukhara
• Bunyoro – Kingdom of Bunyoro-Kitara
• Burma – Kingdom of Burma
•   Burundi – Kingdom of Burundi

C

•   Cambodia – Kingdom of Cambodia
•   Cayor – Kingdom of Cayor
• Chile
  • Kingdom of Chile (to February 12)
  • State of Chile (from February 12)
•   China – Great Qing Empire
• Cospaia – Republic of Cospaia

D

•   Dahomey – Kingdom of Dahomey
•   Denmark – Kingdom of Denmark
• Durrani – Durrani Empire

E

•   Ethiopia – Ethiopian Empire

F

•   Fiji – Tui Viti
• France – Kingdom of France
• Frankfurt – Free City of Frankfurt
•   Futa Jallon – Imamate of Futa Jallon
•   Futa Toro – Imamate of Futa Toro

G

•   Garo – Kingdom of Garo
•   Gomma – Kingdom of Gomma
•   Gumma – Kingdom of Gumma

H

• Haiti – Kingdom of Haiti
•   Haiti – Republic of Haiti
•   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
• Hohenzollern-Sigmaringen – Principality of Hohenzollern-Sigmaringen
• Holstein – Duchy of Holstein

J

•   Janjero – Kingdom of Janjero
•   Japan – Tokugawa shogunate
•   Jimma – Kingdom of Jimma
•   Johor – Johor Sultanate
•   Jolof – Jolof Kingdom

K

•   Kaabu – Kingdom of Kaabu
•   Kaffa – Kingdom of Kaffa
•   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 Joseon
•   Koya Temne – Kingdom of Koya

L

•   Liechtenstein – Principality of Liechtenstein
•   Limmu-Ennarea – Kingdom of Limmu-Ennarea
• Lippe – Principality of Lippe-Detmoldt
•   Loango – Kingdom of Loango
•   Luba – Luba Empire
• Lubeck – Free City of Lubeck
•   Lunda – Lunda Empire
•   Luxembourg – Grand Duchy of Luxembourg

M

•   Maldives – Sultanate of Maldives
•   Manipur – Kingdom of Manipur
•   Massina – Massina Empire
• Mecklenburg-Schwerin – Grand Duchy of Mecklenburg-Schwerin
• Mecklenburg-Strelitz – Grand Duchy of Mecklenburg-Strelitz
•   Mindanao – Sultanate of Maguindanao
• Modena – Duchies of Modena and Reggio
• Moldavia – Principality of Moldavia
•   Monaco – Principality of Monaco
• Montenegro – Prince-Bishopric of Montenegro
•   Morocco – Sultanate of Morocco

N

• Nassau – Duchy of Nassau
• Nepal – Kingdom of Nepal
•   Netherlands – United Kingdom of the Netherlands
• Norway – Kingdom of Norway (in personal union with Sweden)

O

• Oldenburg – Grand Duchy of Oldenburg
•   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
• Perak – Sultanate of Perak
• Persia – Persian Empire
• Portugal, Brazil and the Algarves – United Kingdom of Portugal, Brazil and the Algarves
•   Prussia – Kingdom of Prussia
• Punjab – Sikh Empire

R

•   Rapa Nui – Kingdom of Rapa Nui
• 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
•   Sardinia – Kingdom of Sardinia
•   Saxe-Coburg-Saalfeld – Duchy of Saxe-Coburg-Saalfeld
• Saxe-Gotha-Altenburg – Duchy of Saxe-Gotha-Altenburg
•   Saxe-Hildburghausen – Duchy of Saxe-Hildburghausen
• 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
•   Siam – Kingdom of Siam
•   Sikkim – Chogyalate of Sikkim
• Sokoto – Sokoto Caliphate
•   Spain – Kingdom of Spain
• Sulu – Sultanate of Sulu
•   Sweden – Kingdom of Sweden (in personal union with Norway)
•    Switzerland – Swiss Confederation

T

•   Tahiti – Kingdom of Tahiti
•   Tonga – Tu'i Tonga
• 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

W

• Waldeck-Pyrmont – Principality of Waldeck and Pyrmont
•   Welayta – Kingdom of Welayta
•   Württemberg – Kingdom of Württemberg

Z

•   Zululand – Kingdom of the Zulus

Non-sovereign territories

United Kingdom

•   Cape Colony – Cape of Good Hope

States claiming sovereignty

•   Goust – Republic of Goust
• Muskogee – State of Muskogee
• Soran – Soran Emirate