1 Salman bin Abdulaziz Al Saud(King and Prime Minister of Saudi Arabia)

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Akihito served as the 125th emperor of Japan after succeeding his father to the Chrysanthemum Throne. As emperor, he played a crucial role in inspiring people in 2011 when Japan was struck by two major disasters: Fukushima I nuclear crisis and Great East Japan Earthquake. Akihito abdicated the throne in 2019, becoming the first emperor to do so since 1817.
Harald V of Norway ascended the throne after the demise of his father, King Olav V. A sports enthusiast, he represented Norway in sailing at three Olympic Games. He also became a patron of World Sailing. The King is an admiral, the Supreme Commander of the Norwegian Armed Forces and a four-star general.
Naruhito, the 126th emperor of Japan and the only living monarch to use the title “Emperor,” ascended the throne after his father Akihito’s abdication in 2019. Devoted to efforts of water conservation, Naruhito has also been part of the International Olympic Committee. He plays both the violin and the viola.
Felipe VI of Spain is the current King of Spain, reigning since 2014. He ascended the throne upon the abdication of his father, Juan Carlos I. His mother is Queen Sofía. As the king, he is head of state and commander-in-chief of the Spanish Armed Forces as well. He also serves as the honorary president of several associations and foundations.
Mohammed VI of Morocco is the present King of Morocco. He ascended to the throne in 1999. His father was King Hassan II. Hailing from the Alaouite dynasty, Mohammed VI well-educated man with a Ph.D. in law with distinction. It is alleged that corruption is rampant in his court, and he is criticized for his extravagant lifestyle.
Frederik, Crown Prince of Denmark is the first in order of succession to the Danish throne. Frederik has various interests that range from climate change to sports. He often encourages the people of Denmark to stay active and healthy. He has also established the Crown Prince Frederik's Foundation, which aims to provide financial support to students and encourage scientific expeditions.
Bhumibol Adulyadej of the Chakri dynasty reigned as the ninth monarch of Thailand. Reigning from 1946 until his death in 2016, Adulyadej is the second-longest reigning monarch in the history. During his reign, Bhumibol Adulyadej retained enormous constitutional powers and was extremely popular among his subjects, with some even seeing him as close to divine.
The King of Jordan since 7 February 1999, Abdullah II of Jordan is a member of the Hashemite dynasty. He is a 41st-generation direct descendant of Muhammad and the son of King Hussein of Jordan and his second wife, Princess Muna. Upon assuming the throne, he liberalized the economy and implemented numerous reforms. He is a popular monarch.
Jigme Khesar Namgyel Wangchuck is Druk Gyalpo or "Dragon King" of the Kingdom of Bhutan. He is the son of Jigme Singye Wangchuck, who abdicated the throne in his favor in 2006. As the king, he began overseeing the democratization of Bhutan and has implemented several reforms to improve the standard of living in his country.
Born into the royal family of Qatar, Hamad bin Khalifa Al Thani was educated at the Royal Military Academy at Sandhurst. He served in the Qatar army and reigned as the Emir of Qatar. His reign witnessed women vote and run for office for the first time in the country.
Constantine II of Greece reigned as the King of the Hellenes from 1964 until 1973 when the Greek monarchy was abolished. His reign culminated in the Greek junta and the former King of Greece was forced into exile when the countercoup against the junta failed. Constantine is also a former sailor who won an Olympic gold in the 1960 Olympics.
Carl XVI Gustaf of Sweden has been serving as the king of Sweden since the demise of his grandfather King Gustaf VI Adolf in 1973. He is currently the longest-reigning monarch in the history of Sweden. Apart from being passionate about the environment, agriculture, technology, and trade, the king is also fond of automobiles and owns many Porsche 911s.
Norodom Sihamoni has had an interesting childhood, from studying in Czechoslovakia to joining a film school in North Korea, to moving to China after the fall of Pol Pot. A skilled choreographer who had his own dance troupe in Paris, he later rather reluctantly became the king of Cambodia.
Mohammed Zahir Shah was the last king of Afghanistan, in power from 1933 until he was deposed in 1973. During his reign, he focused on modernizing the economy, improving Afghanistan’s relations with other countries, and creating a new constitution. Following his deposition, he remained in exile for many years before returning to Afghanistan.
Vajiralongkorn became the king of Thailand at age 64, following his father Bhumibol Adulyadej’s death, becoming the oldest to ascend to the throne. He was once seen dressed in a crop top, with his mistress, in a viral video. He sparked protests after moving to Germany during the COVID-19 pandemic.
The son of king Farouk I of Egypt, Fuad II became a king at age 6 months, following his father’s abdication. He ruled for less than a year and was exiled soon after. He grew up in Switzerland and France and was given back his Egyptian citizenship years later.
Jean, Grand Duke of Luxembourg was exiled with his family following the German occupation of Luxembourg during World War II. A Royal Military Academy Sandhurst alumnus, he was part of the D-Day landings and the liberation of Luxembourg from the Nazis, and later turned Luxembourg into a financial hub.
Former emir and the current king of Bahrain, Hamad bin Isa Al Khalifah, had an elite education in the U.K. He reframed the constitution of Bahrain, making it a constitutional monarchy. His cordial relations with Israel helped Bahrain become the second nation after the U.A.E. to normalize ties with Israel.
Zulu king Goodwill Zwelithini kaBhekuzulu was a descendant of King Cetshwayo, who led the Zulu struggle for independence against the British. His 50-year rule had witnessed his efforts in preserving the Zulu culture and traditions such as the Reed Dance ceremony. However, his comments were blamed for attacks against foreigners.
Louis Alphonse, Duke of Anjou is a member of the Bourbons, a Spanish royal family, which formerly ruled many countries, including France. A direct descendant of Louis XIV of France, Louis Alphonse is a pretender to the French throne. However, the rival pretenders argue that Louis is ineligible for the throne as he is a Spanish citizen.