| Monarch | Country | Type of Monarchy |
| Emir Sheik Hamad ibn Khalifa al-Thani | |
| King Carl XVl Gustaf | |
| King Muhammad VI | |
| Prince Albert II | |
| King Harald V | |
| Queen Margrethe ll | |
| King Letsie III | |
| Sultan Qabus ibn Sa'id | |
| King Bhumibol Adulyadej | |
| Queen Beatrix | |
| King Juan Carlos l | |
| King Albert ll | |
| King Mswati III | |
| King Syed Sirajuddin | |
| | Monarch | Country | Type of Monarchy |
| Emporer Akihito | |
| King Abdullah | |
| Sheikh Saad Al Abdullah Al Salim Al Sabah | |
| Queen Elizabeth ll | |
| Khalifa bin Zayed Al Nahayan | |
| King Hamad bin Isa al-Khalifa | |
| Prince Hans Adam II | |
| King Jigme Khesar Namgyal Wangchukin | |
| King Norodom Sihamoni | |
| Sultan Haji Hassanal Bolkiah | |
| Grand Duke Henri | |
| King George Tupou V | |
| King Abdullah ll | |
|