| 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 |
