Absolute:
Oman - Sultan Qabus ibn Sa'id
Saudi Arabia - King Abdullah
Swaziland - King Mswati III
Constitional:
Bahrain - King Hamad bin Isa al-Khalifa
Belgium - King Albert II
Brunei - Sultan Haji Hassanal Bolkiah
Cambodia - King Norodom Sihamoni
Denmark - Queen Margrethe II
Japan - Emperor Akihito
Jordan - King Abdullah II
Kuwait - Sheikh Saad Al Abdullah Al Salim Al Sabah
Lesotho - King Letsie III
Liechtenstein - Prince Hans Adam II
Luxembourg - Grand Duke Henri
Malaysia - King Syed Sirajuddin
Monaco - Prince Albert II
Morocco - King Muhammad VI
Netherlands - Queen Beatrix
Norway - King Harald V
Qatar - Emir Sheik Hamad ibn Khalifa al-Thani
Samoa - Malietoa Tanumafili II
Spain - King Juan Carlos I
Sweden - King Carl XVI Gustaf
Thailand - King Bhumibol Adulyadej
Tonga - King George Tupou V
United Kingdom - Queen Elizabeth II 1