| Country | Royal House | Monarch - Pretender |
|---|
| | Albania
(Kingdom of Albania) |  | Zogu | King Leka II |
Albania
(Principality of Albania) |  | Wied |
|
| | Anhalt |  | Ascania | Duke Eduard II |
 | Armenia |
| | Bagratuni Dynasty |
|
 | Rubenids |
|
| | Hethumids |
|
| | House of Lusignan | Chevalier Livio
Missir Mamachi de Lusignan |
| | House of Doghramadjyan |
|
| | Austria-Hungary |  | Habsburg-Lorraine | Emperor Karl II |
| | Baden |  | Zähringen | Grand Duke Maximilian |
| | Bavaria |  | Wittelsbach | King Franz I |
| | Belgium |  | Wettin Saxe-Coburg and Gotha line | King Albert II |
| | Bohemia |  | Habsburg-Lorraine | King Karel IV |
| | Bosnia | | Kotromanić | Extinct |
| | Brunswick |  | Este-Guelph line Hanover sub-line | Duke Ernst August III |
| | Bulgaria | | Wettin
Saxe-Coburg and Gotha line | King Simeon
II |
| | Duchy of Courland
and Semigallia |  | Biron | Duke Ernst-Johann |
| | Croatia | | Habsburg-Lorraine | King Oto I |
| | Croatia |  | Karađorđević | King Aleksandar II |
| | Cyprus |  | Wettin Saxe-Coburg and Gotha line renamed Windsor | Queen Elizabeth II |
| | House of Lusignan | Chevalier Livio
Missir Mamachi de Lusignan |
| | House
of Cornaro |
|
| | Komnenos |
|
| | Denmark | | Oldenburg
Glücksburg line | Queen Margrethe
II |
| | Finland |  | Lorraine-Brabant Hesse-Kassel or Hesse-Cassel line | King Philipp |
| | France
(Bourbon kingdom) |  | BourbonLegitimist line | King Louis XX |
| | France
(July Monarchy) |  | Orléans
Orléanist line | King Henri VII |
France
(Empire) | | Bonaparte | Emperor Napoléon VII |
| | Georgia | | BagrationGruzinsky line | Nugzar Bagration-Gruzinsky |
| BagrationMukhrani line | David
Bagration of Mukhrani and Zornoza |
| | Germany |  | Hohenzollern | Emperor Georg Friedrich |
| | Greece |  | Oldenburg Glücksburg line | King Constantine II |
| | Hanover |  | EsteGuelph line Hanover sub-line | King Ernst August V |
| Windsor | Queen Elizabeth II |
| | Hesse | | Mountbatten | Prince
Philip |
| | Hesse |  | Lorraine-Brabant Hesse-Kassel or Hesse-Cassel line | Grand Duke Moritz |
| | Hesse-Kassel(or Hesse-Cassel) | Elector
Moritz |
| | Hohenzollern-Hechingen |  | HohenzollernSigmaringen line | Prince Karl Friedrich |
| Hohenzollern-Sigmaringen |  |
| | Hungary |  | Habsburg-Lorraine | King Károly V |
| | Iceland | | Oldenburg Glücksburg line | Queen
Margrét I |
| | Italy |  | Savoy | King Vittorio Emanuele IV |
| SavoyAosta line | King
Amedeo |
| | Liechtenstein | | Liechtenstein | Prince Hans Adam II |
| | Lithuania |  | Württemberg | Duke Wilhelm Albert |
| | Lippe |  | Lippe | Prince Armin |
| Prince Friedrich Wilhelm |
| | Luxembourg | | BourbonParma line Nassau-Weilburg sub-line | Grand Duke Henri |
| | Malta | | Wettin
Saxe-Coburg and Gotha line renamed Windsor | Queen Elizabeth II |
| | Mecklenburg-Schwerin |  | MecklenburgStrelitz line | Extinct |
| Mecklenburg-Strelitz |  | Grand Duke Georg Borwin |
| | Modena and Reggio |  | Habsburg-LorraineAustria-Este line | Duke Lorenz |
| | Monaco | | Grimaldiagnatically Polignac | Prince Albert II |
| | Montenegro |  | Petrović-Njegoš | King Nicholas II |
| | Navarre |  | Bourbon | Queen Alice |
| | Netherlands |  | LippeOrange-Nassau line | Queen Beatrix |
| | Normandy | | Windsor | King
Charles III
|
| | Norway |  | OldenburgGlücksburg line | King Harald V |
| | Oldenburg |  | OldenburgHolstein-Gottorp line | Grand Duke Anton Günther |
| | Parma | | Bourbon | Duke Carlo
V |
| | Poland | | Bourbon | King Louis XX |
 | Habsburg-Lorraine | Karol II |
 | Jagiellon |
|
 | Wettin | Maria Emanuel |
 | Leszczyński |
|
 | Piast |
|
 | Poniatowski |
|
 | Přemyslid (Bohemia-Opawski) |
|
| | Portugal |  | Braganza | King Duarte III |
 | Wettin Braganza-Saxe-Coburg and Gotha line | Extinct |
| | Prussia |  | Hohenzollern | King Georg Friedrich |
| | Reuss Elder Line |  | Reuss | Prince Heinrich IV |
| | Reuss Junior Line |
| | Romania |  | Hohenzollern Sigmaringen line | King Michael I |
| | Russia |  |
| Empress Maria |
| | Saxe-Altenburg |  | Wettin
(Ernestine Line) | Extinct |
| | Saxe-Coburg and Gotha |  |
Wettin
(Ernestine Line) | Duke Andreas |
| Windsor | Queen Elizabeth
II |
| | Saxe-Meiningen |  | Wettin
(Ernestine Line) | Duke Konrad |
| | Saxe-Weimar-Eisenach |  | Wettin
(Ernestine Line) | Grand Duke Michael |
| | Saxony | | Wettin
(Albertine Line) | King Maria Emanuel |
| | Schaumburg-Lippe |  | Lippe | Prince Alexander |
| | Schwarzburg-Rudolstadt |  | Schwarzburg | Extinct |
| Schwarzburg-Sondershausen |  |
| | Serbian
Empire | | Nemanjić | Extinct |
Serbia
(Kingdom) |  | Obrenović | Extinct |
Serbia
(Kingdom) |  | Karađorđević | Crown Prince Alexander |
| | Spain |  | Bourbon | King Juan Carlos I |
| | Sweden | | Bernadotte | King
Carl XVI Gustav |
| | Tuscany |  | Habsburg-Lorraine | Grand Duke Sigismund |
| | Two Sicilies |  | BourbonTwo Sicilies line | King Carlo VIII |
| King Charles I |
| | United
Baltic Duchy | | Mecklenburg House of Mecklenburg-Schwerin line | Extinct, but Daughter of Duke still alive Duchess Woizlawa |
| | United Kingdom | | Wettin Saxe-Coburg and Gotha line renamed Windsor | King Charles III
|
| | Waldeck and Pyrmont |  | Waldeck | Prince Wittekind Adolf |
| | Württemberg | | Württemberg | King Carl |
| | Yugoslavia |  | Karađorđević | King Aleksandar II |
