| Country | Answer | % Correct |
|---|---|---|
| UK + Commonwealth | House of Windsor | 97%
|
| Spain | House of Bourbon | 68%
|
| Saudi Arabia | House of Saud | 62%
|
| Netherlands | House of Orange-Nassau | 59%
|
| Denmark | House of Glücksburg | 57%
|
| Norway | House of Glücksburg | 57%
|
| Liechtenstein | House of Liechtenstein | 51%
|
| Sweden | House of Bernadotte | 49%
|
| Monaco | House of Grimaldi | 46%
|
| Luxembourg | House of Luxembourg-Nassau | 46%
|
| Jordan | Hashemite Dynasty | 41%
|
| Belgium | House of Belgium | 32%
|
| Bhutan | Wangchuk Dynasty | 27%
|
| Cambodia | House of Norodom | 24%
|
| Bahrain | House of Khalifa | 22%
|
| Qatar | House of Thani | 22%
|
| Morocco | Alawi Dynasty | 19%
|
| Thailand | Chakri Dynasty | 19%
|
| Brunei | House of Bolkiah | 19%
|
| Kuwait | House of Sabah | 19%
|
| Japan | Imperial House of Japan | 19%
|
| Oman | House of Busaid | 16%
|
| Eswatini | House of Dlamini | 16%
|
| UAE | House of Nahyan | 14%
|
| Lesotho | House of Seeiso | 14%
|
| Tonga | Tupou Dynasty | 14%
|
| Malaysia | House of Temenggong | 5%
|