| Monarch | Country | Type of monarchy |
|---|
| King Letsie III | |
| King Mohammed VI | |
| King Mswati III | |
| King Hamad ibn Isa Al Khalifah | |
| King Jigme Khesar Namgyel Wangchuck | |
| Sultan Haji Hassanal Bolkiah | |
| King Norodom Sihamoni | |
| Emperor Akihito | |
| King Abdullah II | |
| Emir Sabah Al-Ahmad Al-Jaber Al-Sabah | |
| King Mizan Zainal Abidin | |
| Sultan Qaboos bin Said Al Said | |
| Emir Hamad bin Khalifa Al-Thani | |
| King Abdullah bin Abdulaziz Al Saud | |
| King Bhumibol Adulyadej | |
| Sheikh Khalifa bin Zayed Al Nahyan | |
| Co-Princes Nicolas Sarkozy & Joan Enric Vives Sicília | |
| King Albert II | |
| Queen Margrethe II | |
| Prince Hans Adam II | |
| Grand Duke Henri | |
| Prince Albert II | |
US States
Countries of Europe
Countries of Asia
