| Country | Royal family | % Correct |
|---|---|---|
| UK | Windsor | 85%
|
| Commonwealth Countries | Windsor | 85%
|
| Spain | Bourbon | 66%
|
| Russia | Romanov | 62%
|
| Germany | Hohenzollern | 57%
|
| Italy | Savoy | 42%
|
| Sweden | Bernadotte | 36%
|
| China | Qing | 34%
|
| France | Bonaparte | 32%
|
| Portugal | Braganza | 32%
|
| Iran | Pahlavi | 32%
|
| Bavaria | Wittelsbach | 32%
|
| Turkey | Osman | 30%
|
| Saudi Arabia | Saudi | 30%
|
| Monaco | Grimaldi | 28%
|
| Brazil | Braganza | 26%
|
| Austria | Habsburg-Lorraine | 21%
|
| Hungary | Habsburg-Lorraine | 21%
|
| Mexico | Habsburg-Lorraine | 21%
|
| Liechtenstein | Liechtenstein | 21%
|
| The Netherlands | Orange-Nassau | 21%
|
| Iraq | Hashemite | 19%
|
| Korea | Joseon | 19%
|
| Iceland | Oldenburg | 17%
|
| Denmark | Oldenburg | 17%
|
| Greece | Schleswig-Holstein-Sonderburg-Glücksburg | 17%
|
| Nepal | Shah | 13%
|
| Bahrain | Al Khalifa | 9%
|
| Qatar | Al Thani | 9%
|
| Bhutan | Wangchuck | 9%
|
| Albania | Zogu | 9%
|
| Serbia | Karađorđević | 8%
|
| Yugoslavia | Karađorđević | 8%
|
| Montenegro | Petrovic Njegoš | 6%
|
| Egypt | Alawita | 4%
|
| Oman | Al bu Sa'Id | 4%
|
| Croatia | Aosta-Savoy | 4%
|
| Thailand | Chakri | 4%
|
| Jordan | hatshemit | 4%
|
| Romania | Hohenzollern-Sigmaringen | 4%
|
| Luxembourg | Nassau-Weilburg | 4%
|
| Malaysia | Pahang | 4%
|
| Bulgaria | Saxony-Coburg-Gotha | 4%
|
| Belgium | Saxony-Coburg-Gotha | 4%
|
| Libya | Senoussi | 4%
|
| Ethiopia | Solomonic | 4%
|
| Lithuania | Urach | 4%
|
| Morocco | Alawites | 2%
|
| Burundi | Baganwa | 2%
|
| Afghanistan | Barakzai | 2%
|
| Swaziland | Dlamini | 2%
|
| Finland | Hesse-Kassel | 2%
|
| Tunisia | Husaynidi | 2%
|
| Laos | Khun Lo | 2%
|
| Vietnam | Nguyễn | 2%
|
| Lesotho | Seeiso | 2%
|
| Tonga | Tupou | 2%
|