 Nation of Brunei |  Sultan Hassanal Bolkiah | 15 Jul 1946 | 4 Oct 1967 |  Queen Saleha (1946) |  Crown Prince Al-Muhtadee Billah (1974) |
 Kingdom of Sweden |  King Carl XVI Gustaf | 30 Apr 1946 | 15 Sept 1973 |  Queen Silvia (1943) |  Crown Princess Victoria (1977) |
 Kingdom of Eswatini |  King Mswati III | 19 Apr 1968 | 25 Apr 1986 | (15 wives) | |
 Principality of Liechtenstein |  Prince Hans Adam II | 14 Feb 1945 | 13 Nov 1989 |  Her. Prince Alois (1968) | |
 Kingdom of Norway |  King Harald V | 21 Feb 1937 | 17 Jan 1991 |  Queen Sonja (1937) |  Crown Prince Haakon (1973) |
 Kingdom of Lesotho |  King Letsie III | 17 Jul 1963 | 7 Feb 1996 |  Queen 'Masenate Mohato Seeiso (1976) |  Prince Lerotholi Seeiso (2007) |
 Hashemite Kingdom of Jordan |  King Abdullah II | 30 Jan 1962 | 7 Feb 1999 |  Queen Rania (1970) |  Crown Prince Hussein (1994) |
 Kingdom of Bahrain |  King Hamad bin Isa Al Khalifa | 28 Jan 1950 | 6 Mar 1999 |  Princess Consort Sabika (1948) |  Crown Prince Salman (1969) |
 Kingdom of Morocco |  King Mohammed VI | 21 Aug 1963 | 23 Jul 1999 |  Crown Prince Moulay Hassan (2003) | |
 Grand Duchy of Luxembourg |  Grand Duke Henri | 16 Apr 1955 | 7 Oct 2000 |  Grand Duchess Maria Teresa (1956) |  Her. Grand Duke Guillaume (1981) |
 Kingdom of Cambodia |  King Norodom Sihamoni | 14 May 1953 | 14 Oct 2004 | ||
 Principality of Monaco |  Prince Albert II | 14 Mar 1958 | 6 Apr 2005 |  Princess Charlene (1978) |  Prince Jacques (2014) |
 Kingdom of Bhutan |  King Jigme Khesar Namgyel Wangchuk | 21 Feb 1980 | 9 Dec 2006 |  Queen Jetsun Pema (1990) |  Crown Prince Jigme Namgyel Wangchuck (2016) |
 Kingdom of Tonga |  King Tupou VI | 12 Jul 1959 | 18 Mar 2012 |  Queen Nanasipau'u (1954) |  Crown Prince Tupoutoʻa ʻUlukalala (1985) |
 Kingdom of the Netherlands |  King Willem-Alexander | 27 Apr 1967 | 30 Apr 2013 |  Queen Maxima (1971) |  Catherina Amalia, Princess of Orange (2003) |
 State of Qatar |  Emir Tamim bin Hamad | 3 Jun 1980 | 25 Jun 2013 | (3 wives) |  Deputy Emir Abdullah (1988) |
 Kingdom of Belgium |  King Philippe | 15 Apr 1960 | 21 Jul 2013 |  Queen Mathilde (1973) |  Princess Elisabeth, Duchess of Brabant (2001) |
 Kingdom of Spain |  King Felipe VI | 30 Jan 1968 | 19 Jun 2014 |  Queen Letizia (1972) |  Leonor, Princess of Asturias (2005) |
 Kingdom of Saudi Arabia |  King Salman | 31 Dec 1935 | 23 Jan 2015 |  Crown Prince Mohammad (1985) | |
 Kingdom of Thailand |  King Vajiralongkorn | 28 Jul 1952 | 13 Oct 2016 |  Queen Suthida (1978) |  Prince Dipangkorn Rasmijoti (2005) |
 State of Japan |  Emperor Naruhito | 23 Feb 1960 | 1 May 2019 |  Empress Masako (1963) |  Fumihito, Prince Akishino (1965) |
 Sultanate of Oman |  Sultan Haitham bin Tariq | 13 Oct 1955 | 11 Jan 2020 |  Sayyida Ahad bint Abdullah |  Crown Prince Theyazin (1990) |
 United Arab Emirates |  Sheikh Mohamed bin Zayed Al Nahyan, Emir of Abu Dhabi, President of UAE | 11 Mar 1961 | 14 May 2022 | ||
 United Kingdom of Great Britain and Northern Ireland
Antigua & Barbuda |  King Charles III | 14 Nov 1948 | 8 Sept 2022 |  Queen Camilla (1947) |  Prince William, Prince of Wales (1982) |
 State of Kuwait |  Emir Mishal Al-Ahmad Al-Jaber Al-Sabah | 27 Sept 1940 | 16 Dec 2023 | ||
 Kingdom of Denmark |  King Frederik X | 26 May 1968 | 14 Jan 2024 |  Queen Mary (1972) |  Crown Prince Christian (2005) |
 Federation of Malaysia |  King Ibrahim of Johor | 22 Nov 1958 | 31 Jan 2024 |  Queen Raja Zarith Sofiah (1959) |
Royalty of the World at Windsor Castle for Queen Elizabeth II's Diamond Jubilee
May 18, 2012
Front row (L-R): HIM the Emperor of Japan, HM the Queen of the Netherlands, HM the Queen of Denmark, HM the King of the Hellenes, HM the King of Romania, HM the Queen of the United Kingdom, HM the King of Bulgarians, HM the Sultan of Brunei, HM the King of Sweden, HM the King of Swaziland, HSH the Prince of Liechtenstein.
Middle row (L-R): HSH the Prince of Monaco, HRH the Grand Duke of Luxembourg, HM the King of Lesotho, HM the King of the Belgians, HM the King of Norway, HH the Emir of Qatar, HM the King of Jordan, HM the King of Bahrain, HM the Yang di-Pertuan Agong of Malaysia.
Back row (L-R): HH Prince Nasser Mohamed of Kuwait, HH the Crown Prince of Abu Dhabi, HRH the Crown Prince of Yugoslavia, HM the King of Tonga, HRH the Crown Prince of Thailand, HRH Princess Lalla Meryem of Morocco, HRH Prince Mohammed bin Nayaf of Saudi Arabia.
