| Hint | Birth Year | Reigned Since | Answer | % Correct |
|---|---|---|---|---|
| King Salman bin Abdul'aziz al Saud | 1935 | 23 January 2016 | Saudi Arabia | 89%
|
| Emperor Naruhito | 1960 | 1 May 2019 | Japan | 82%
|
| Pope Francis | 1936 | 13 March 2013 | Vatican City | 79%
|
| Queen Elizabeth II | 1926 | 6 February 1952 | United Kingdom (and 15 Commonwealth Realms) | 78%
|
| King Felipe VI | 1968 | 19 June 2014 | Spain | 70%
|
| Queen Margrethe II | 1940 | 14 January 1972 | Denmark | 69%
|
| King Carl XVI Gustaf | 1946 | 15 September 1973 | Sweden | 63%
|
| Prince Albert II | 1958 | 6 April 2005 | Monaco | 62%
|
| King Willem-Alexander | 1967 | 30 April 2013 | Netherlands | 61%
|
| President Khalifa bin Zayed | 1948 | 3 November 2004 | United Arab Emirates | 61%
|
| Grand Duke Henri | 1955 | 7 October 2000 | Luxembourg | 57%
|
| King Harald V | 1937 | 17 January 1991 | Norway | 57%
|
| Co-Princes President Emmanuel Macron & Bishop Joan Enric Vives | 1977 & 1949 | 14 May 2017 & 12 May 2003 | Andorra | 56%
|
| Emir Sabah al-Ammad | 1929 | 29 January 2006 | Kuwait | 53%
|
| Emir Tamim bin Hammad | 1980 | 25 June 2013 | Qatar | 53%
|
| King Phillipe | 1960 | 21 July 2013 | Belgium | 52%
|
| King Mswata III | 1968 | 25 April 1986 | Eswatini | 51%
|
| Prince Hans-Adam II | 1945 | 13 November 1989 | Liechtenstein | 49%
|
| King Mohammed VI | 1963 | 23 July 1999 | Morocco | 47%
|
| King Abdullah II | 1962 | 7 February 1999 | Jordan | 45%
|
| King Vajiralongkorn | 1952 | 13 October 2016 | Thailand | 44%
|
| King Letsie III | 1963 | 7 February 1996 | Lesotho | 43%
|
| Sultan Hassanal Bolkiah | 1946 | 4 October 1967 | Brunei | 41%
|
| Sultan Haitham bin Tariq | 1954 | 11 January 2020 | Oman | 38%
|
| King Jigme Khesar Namgyel Wangchuck | 1980 | 14 December 2006 | Bhutan | 35%
|
| King Norodom Sihamoni | 1963 | 14 October 2004 | Cambodia | 32%
|
| King Tupou VI | 1959 | 18 March 2012 | Tonga | 32%
|
| Yang di-Pertuan Angong (King) Abdullah | 1959 | 31 January 2019 | Malaysia | 30%
|
| King Hamad ibn Isa | 1950 | 6 March 1999 | Bahrain | 25%
|