| Country | Years of rule | House | % Correct |
|---|---|---|---|
| England | 886-1013, 1014-1016, 1042-1066 | Wessex | 100%
|
| Great Britain | 2022-present | Windsor (Mountbatten) | 82%
|
| Great Britain | 1910-2022 | Windsor (Saxe-Coburg-Gotha) | 82%
|
| Sicily | 1516-1700, 1720-1735 | Habsburg | 81%
|
| Naples | 1516-1647, 1648-1700, 1713-1734 | Habsburg | 81%
|
| Holy Roman Empire | 1273-1291, 1298-1308, 1438-1740 | Habsburg | 81%
|
| Bohemia | 1306-1307, 1437-1439, 1453-1457, 1526-1619, 1620-1741, 1743-1780 | Habsburg | 81%
|
| Hungary | 1437-1440, 1444-1457, 1526-1780 | Habsburg | 81%
|
| Croatia | 1437-1440, 1444-1457, 1526-1780 | Habsburg | 81%
|
| Portugal | 1581-1640 | Habsburg | 81%
|
| Spain | 1516-1700 | Habsburg | 81%
|
| England | 1485-1603 | Tudor | 78%
|
| France | 1589-1792, 1814-1815, 1815-1830 | Bourbon | 74%
|
| Sicily | 1700-1713, 1735-1816 | Bourbon | 74%
|
| Naples | 1700-1713, 1734-1806, 1815-1816 | Bourbon | 74%
|
| Lower Navarra | 1572-1620 | Bourbon | 74%
|
| Spain | 1700-1808, 1813-1868, 1874-1931, 1975-present | Bourbon | 74%
|
| Great Britain | 1714-1901 | Hanover | 73%
|
| Hanover | 1814-1866 | Hanover | 73%
|
| England | 1461-1470, 1471-1485 | York | 67%
|
| Scotland | 1371–1651, 1660–1707 | Stewart/Stuart | 66%
|
| England, Great Britain | 1603-1651, 1660-1714 | Stuart | 66%
|
| England | 1399-1461, 1470-1471 | Lancaster | 64%
|
| Russia | 1762-1917 | Holstein-Gottorp-Romanov | 62%
|
| Netherlands | 1815-present | Orange-Nassau | 62%
|
| Finland | 1742-1743 | Romanov | 62%
|
| Russia | 1613-1762 | Romanov | 62%
|
| France | 1804-1814, 1815, 1852-1870 | Bonaparte | 60%
|
| Naples | 1806-1808 | Bonaparte | 60%
|
| Holland | 1806-1810 | Bonaparte | 60%
|
| France | 987-1328 | Capet | 60%
|
| Navarra | 1284–1349 | Capet | 60%
|
| West Francia, Carolingian Empire | 751-887, 898-922, 936-987 | Carolingian | 59%
|
| Middle Francia, Lotharingia | 840-869 | Carolingian | 59%
|
| Italy | 855-875 | Carolingian | 59%
|
| East Francia | 843-876, 882-911 | Carolingian | 59%
|
| Bavaria | 876-882 | Carolingian | 59%
|
| Alemannia | 876-882 | Carolingian | 59%
|
| England | 1066-1135 | Normandy | 56%
|
| Prussia, North German Confederation, Germany | 1701-1918 | Hohenzollern | 54%
|
| East Francia | 911-962 | Ottonian | 54%
|
| Holy Roman Empire | 962-1027 | Ottonian | 54%
|
| Naples | 1282-1389, 1399-1435 | Anjou-Durazzo | 53%
|
| Sicily | 1266-1282 | Capet-Anjou | 53%
|
| Poland | 1370-1399 | Capet-Anjou | 53%
|
| Hungary | 1308–1395 | Capet-Anjou | 53%
|
| Croatia | 1308–1395 | Capet-Anjou | 53%
|
| Albania | 1272-1332 | Capet-Anjou | 53%
|
| England | 1154-1399 | Plantagenet | 53%
|
| Holy Roman Empire | 1257-1272 | Plantagenet | 53%
|
| Kingdom of the Franks | 481-751 | Merovingian | 50%
|
| Great Britian | 1901-1910 | Saxe-Coburg-Gotha | 50%
|
| Belgium | 1831-1920 | Saxe-Coburg-Gotha | 50%
|
| Ottoman Empire | 1362-1922 | Osman | 48%
|
| Italy | 1861-1946 | Savoy | 45%
|
| Sicily | 1713-1720 | Savoy | 45%
|
| Sardinia | 1720–1861 | Savoy | 45%
|
| Spain | 1870-1873 | Savoy | 45%
|
| France | 1830-1848 | Orléans | 44%
|
| France | 1328-1589 | Valois | 44%
|
| Poland-Lithuania | 1573-1575 | Valois | 44%
|
| Naples | 1389-1399, 1435-1442 | Valois-Anjou | 44%
|
| Naples | 1501-1504 | Valois-Orléans | 44%
|
| Holy Roman Empire | 1292-1298 | Nassau | 38%
|
| England | 1135-1154 | Blois | 37%
|
| Navarra | 1234-1284 | Champagne | 37%
|
| Holy Roman Empire | 1308-1313, 1347-1400, 1410-1437 | Luxembourg | 37%
|
| Bohemia | 1310-1437 | Luxembourg | 37%
|
| Hungary | 1387–1437 | Luxembourg | 37%
|
| Croatia | 1387–1437 | Luxembourg | 37%
|
| England | 1013-1014, 1016-1042 | Denmark | 36%
|
| Denmark | 958-1042 | Gorm | 36%
|
| Norway | 961-970, 1000-1013, 1028-1035 | Gorm | 36%
|
| Württemberg | 1805-1871 | Württemberg | 35%
|
| Holy Roman Empire, Austria | 1745-1918 | Lorraine (Habsburg-Lorraine) | 33%
|
| Bohemia | 1780-1918 | Lorraine (Habsburg-Lorraine) | 33%
|
| Hungary | 1780-1918 | Lorraine (Habsburg-Lorraine) | 33%
|
| Croatia | 1780-1918 | Lorraine (Habsburg-Lorraine) | 33%
|
| Sweden | 1523-1654 | Vasa | 33%
|
| Holy Roman Empire | 1314-1347, 1400-1410, 1742-1745 | Wittelsbach | 33%
|
| Bavaria | 1806-1871 | Wittelsbach | 33%
|
| Bohemia | 1619-1620, 1741-1743 | Wittelsbach | 33%
|
| Hungary | 1305-1307 | Wittelsbach | 33%
|
| Croatia | 1305-1307 | Wittelsbach | 33%
|
| Greece | 1833-1862 | Wittelsbach | 33%
|
| Russia | 1547-1598 | Rurik | 32%
|
| Poland-Lithuania | 1587-1668 | Vasa | 32%
|
| Russia | 1610-1612 | Vasa | 32%
|
| Portugal | 1139-1383 | Burgundy | 30%
|
| León | 1135-1217 | Burgundy | 30%
|
| Castile, Castile & León | 1126-1369 | Burgundy | 30%
|
| Norway | 1818-1905 | Bernadotte | 29%
|
| Sweden | 1818-present | Bernadotte | 29%
|
| England | 1066 | Godwin | 29%
|
| Scotland | 1306-1371 | Bruce | 28%
|
| Bohemia | 1471-1526 | Jagiellon | 28%
|
| Poland | 1386-1572 | Jagiellon | 28%
|
| Hungary | 1440-1444, 1490-1526 | Jagiellon | 28%
|
| Croatia | 1440-1444, 1490-1526 | Jagiellon | 28%
|
| Sicily | 1410-1516 | Trastámara | 28%
|
| Naples | 1442-1501, 1504–1516 | Trastámara | 28%
|
| Navarra | 1441-1479 | Trastamara | 28%
|
| Castile & León, Spain | 1369-1516 | Trastámara | 28%
|
| Aragon | 1412-1475 | Trastámara | 28%
|
| Hungary | 1000–1301 | Árpád | 25%
|
| Croatia | 1091-1095, 1102-1301 | Árpád | 25%
|
| Denmark | 1863-present | Glücksburg | 25%
|
| Norway | 1905-present | Glücksburg | 25%
|
| Greece | 1863-1924, 1935-1974 | Glücksburg | 25%
|
| Sicily | 1194–1266 | Hohenstaufen | 25%
|
| Holy Roman Empire | 1138-1208, 1215-1254 | Hohenstaufen | 25%
|
| Denmark, Denmark-Norway, Kalmar Union | 1448–1863 | Oldenburg | 25%
|
| Norway | 1450-1481, 1483-1523, 1814 | Oldenburg | 25%
|
| Sweden | 1457-1464, 1497-1501, 1520-1521 | Oldenburg | 25%
|
| Sweden | 1720-1751 | Hesse | 24%
|
| Poland | 1025-1031, 1076-1079, 1295-1296, 1320-1370 | Piast | 24%
|
| Galicia–Volhynia (Ruthenia) | 1323-1340 | Piast | 24%
|
| Saxony | 1806-1871 | Wettin | 24%
|
| Poland-Lithuania | 1697-1706, 1709-1733, 1736-1763 | Wettin | 24%
|
| Portugal | 1640-1853 | Braganza | 23%
|
| Portugal | 1853-1910 | Braganza (Saxe-Coburg-Gotha) | 23%
|
| West Francia | 888-898, 922-923 | Robertian | 22%
|
| Bohemia | 1085-1092, 1158-1172, 1198-1306 | Premyslid | 20%
|
| Poland | 1300-1306 | Premyslid | 20%
|
| Hungary | 1301-1305 | Premyslid | 20%
|
| Croatia | 1301-1305 | Premyslid | 20%
|
| Belgium | 1920-present | Belgium (Saxe-Coburg-Gotha) | 19%
|
| Holy Roman Empire | 1208-1215 | Welf | 17%
|
| West Francia | 923-936 | Bosonid | 16%
|
| Italy | 926-950 | Bosonid | 16%
|
| Latin Empire | 1204-1216, 1217-1219 | Flanders | 16%
|
| Holy Roman Empire | 1027–1125 | Salian | 16%
|
| Hungary | 1458-1490 | Hunyadi | 15%
|
| Croatia | 1458-1490 | Hunyadi | 15%
|
| Portugal | 1385–1580 | Aviz | 14%
|
| Sicily | 1282–1410 | Barcelona | 14%
|
| Aragon | 1164–1410 | Barcelona | 14%
|
| Sicily | 1130–1198 | Hauteville | 14%
|
| Sweden | 1364-1389 | Mecklenburg | 14%
|
| Romania | 1881-1947 | Hohenzollern-Sigmaringen | 13%
|
| Norway | 1814-1818 | Holstein-Gottorp | 13%
|
| Sweden | 1751-1818 | Holstein-Gottorp | 13%
|
| León | 1037-1126 | Jiménez | 13%
|
| Castile | 1065-1126 | Jiménez | 13%
|
| Galicia | 1065-1126 | Jiménez | 13%
|
| Aragon | 1035–1164 | Jiménez | 13%
|
| Navarra | 1076-1134 | Jiménez (Aragon branch) | 13%
|
| Navarra | 905-1076, 1134-1234 | Jiménez (Navarra branch) | 13%
|
| Denmark (Kalmar Union) | 1412-1439 | Pomerania | 13%
|
| Norway | 1412-1442 | Pomerania | 13%
|
| Poland-Lithuania | 1674-1696 | Sobieski | 13%
|
| Kingdom of the Lombards | 653-662, 671-712 | Bavarian | 12%
|
| Sweden | 1156-1260, 1167-1196, 1208-1216, 1222-1250 | Erik | 11%
|
| Russia | 1598-1605 | Godunov | 11%
|
| Holy Roman Empire | 1254-1256 | Holland | 11%
|
| Sweden | 1412-1439 | Pomerania | 11%
|
| Asturia | 714-924 | Asturian | 10%
|
| León | 910-1037 | Asturian | 10%
|
| Galicia | 910-931, 982-984 | Asturian | 10%
|
| Denmark | 1042-1047 | Fairhair | 10%
|
| Norway | 995-1000, 1015-1028, 1035-1046 | Fairhair | 10%
|
| Albania | 1928-1939 | Zogu | 10%
|
| Poland-Lithuania | 1576-1586 | Báthory | 9%
|
| Two Sicilies | 1816-1861 | Bourbon-Two Sicilies | 9%
|
| Norway | 1046-1135, 1162-1184 | Hardrada | 9%
|
| Italy | 950-961, 1002-1004 | Ivrea | 9%
|
| Naples | 1808-1815 | Murat | 9%
|
| Poland-Lithuania | 1764-1795 | Poniatowski | 9%
|
| Serbia | 1903-1941 | Karađorđević | 8%
|
| Sweden | 995-1060 | Munsö | 8%
|
| East Hungary | 1526-1570 | Zápolya | 8%
|
| Scotland | 1292-1296 | Balliol | 7%
|
| Denmark | 1376-1387 | Bjälbo | 7%
|
| Norway | 1319-1387 | Bjälbo | 7%
|
| Sweden | 1250-1364 | Bjälbo | 7%
|
| Denmark, Kalmar Union | 1047-1332, 1340-1375, 1387-1412 | Estridsen | 7%
|
| Norway | 1390-1412 | Estridsen | 7%
|
| Sweden | 1126-1132, 1160-1161, 1389-1412 | Estridsen | 7%
|
| Finland | 1918 | Hesse-Kassel | 7%
|
| Poland-Lithuania | 1706-1709, 1733-1736 | Leszczyński | 7%
|
| Holy Roman Empire | 1125-1137 | Supplinburg | 7%
|
| Scotland | 848-1034 | Alpin | 6%
|
| Scotland | 1034-1040, 1058-1286 | Dunkeld | 6%
|
| Lithuania | 1251-1263 | Mindaugas | 6%
|
| Bohemia | 1458-1471 | Poděbrady | 6%
|
| Russia | 1606-1610 | Shuysky | 6%
|
| Ireland | 846-1002, 1014-1022, 1156-1166 | Ui Neill | 6%
|
| Poland-Lithuania | 1669-1673 | Wiśniowiecki | 6%
|
| Navarra | 1479-1517 | Foix | 5%
|
| Bosnia | 1377-1463 | Kotromanić | 5%
|
| Serbia | 1217-1371 | Nemanjić | 5%
|
| Serbia | 1882-1903 | Obrenović | 5%
|
| Denmark (Kalmar Union) | 1440-1448 | Palatinate-Neumarkt | 5%
|
| Norway | 1442-1448 | Palatinate-Neumarkt | 5%
|
| Sweden | 1441-1448 | Palatinate-Neumarkt | 5%
|
| Sweden | 1654-1720 | Palatinate-Zweibrücken | 5%
|
| Croatia | 925-1091 | Trpimirović | 5%
|
| Bulgaria | 1185-1280 | Asen | 4%
|
| Norway | 1449-1450 | Bonde | 4%
|
| Sweden | 1448-1457, 1464-1465, 1467-1470 | Bonde | 4%
|
| Latin Empire | 1216-1217, 1219-1228, 1237-1261 | Courtenay | 4%
|
| Bulgaria | 913-997 | Krum | 4%
|
| Scotland | 1040-1058 | Moray | 4%
|
| Montenegro | 1910-1918 | Petrović-Njegoš | 4%
|
| Croatia | 1095-1097 | Snačić | 4%
|
| Sweden | 1132-1156, 1161-1167, 1196-1208, 1216-1222 | Sverker | 4%
|
| Lower Navarra | 1517-1572 | Albret | 3%
|
| Latin Empire | 1229-1237 | Brienne | 3%
|
| Navarra | 1328–1441 | Évreux | 3%
|
| Bohemia | 1307-1310 | Gorizia | 3%
|
| Galicia–Volhynia (Ruthenia) | 1253-1323 | Romanovichi | 3%
|
| Bulgaria | 1908-1946 | Saxe-Coburg and Gotha-Koháry | 3%
|
| Bulgaria | 1323-1331 | Shishman | 3%
|
| Sweden | 1060-1070, 1075-1084, 1087-1126 | Stenkil | 3%
|
| Norway | 1184-1204, 1217-1319 | Sverre | 3%
|
| Bulgaria | 1280-1292, 1300-1323 | Terter | 3%
|
| Italy | 896-924 | Unruoching | 3%
|
| Bulgaria | 1299-1300 | Borjigin | 2%
|
| Norway | 1135-1162, 1204-1217 | Gille | 2%
|
| Navarra | 820s-905 | Íñiguez | 2%
|
| Ireland | 1119-1156, 1166-1198 | Ui Briuin | 2%
|
| Bulgaria | 997-1018 | Cometopuli | 1%
|
| Bulgaria | 1292-1299 | Smilets | 1%
|
| Bulgaria | 1331-1395 | Stratsimir | 1%
|