| Country | Dates | Title | Head of state | % Correct |
|---|---|---|---|---|
| United Kingdom | 1952-2022 | Queen | Elizabeth II | 100%
|
| Italy | 2022-2026 (now) | Prime Minister | Giorgia Meloni | 75%
|
| Argentina | 1974-1976 | Isabel Perón | 75%
| |
| United Kingdom | 2022-2022 | Prime Minister | Liz Truss | 75%
|
| United Kingdom | 1979-1990 | Prime Minister | Margaret Thatcher | 75%
|
| United Kingdom | 2016-2019 | Prime Minister | Theresa May | 75%
|
| Germany | 2005-2021 | Chancellor | Angela Merkel | 63%
|
| Israel | 1969-1974 | Prime Minister | Golda Meir | 63%
|
| India | 1966-1977 ; 1980-1984 | Prime Minister | Indira Gandhi | 63%
|
| San Marino | 2008-2008 | Captain regent | Assunta Meloni | 50%
|
| Mexico | 2024-2026 (now) | President | Claudia Sheinbaum | 50%
|
| Netherlands | 1980-2013 | Queen | Beatrix | 38%
|
| Pakistan | 1988-1990; 1993-1996 | Prime Minister | Benazir Bhutto | 25%
|
| Liechtenstein | 2025-2026 (now) | Prime Minister | Brigitte Haas | 25%
|
| Argentina | 2007-2015 | Cristina Fernández de Kirchner | 25%
| |
| Brazil | 2011-2016 | Dilma Rousseff | 25%
| |
| New Zealand | 2017-2023 | Prime Minister | Jacinda Ardern | 25%
|
| Moldova | 2020-2026 (now) | President | Maia Sandu | 25%
|
| Denmark | 1972-2024 | Queen | Margrethe II | 25%
|
| Netherlands | 1890-1948 | Queen | Wilhelmina | 25%
|
| Ireland | 2025-2026 (now) | President | Catherine Connolly | 13%
|
| Venezuela | 2026-2026 (now) | President | Delcy Rodríguez | 13%
|
| Peru | 2022-2025 | President | Dina Boluarte | 13%
|
| Bolivia | 2019-2020 | Jeanine Áñez | 13%
| |
| Suriname | 2025-2026 (now) | President | Jennifer Geerlings-Simons | 13%
|
| Australia | 2010-2013 | Julia Gillard | 13%
| |
| Netherlands | 1948-1980 | Queen | Juliana | 13%
|
| Greece | 2020-2025 | President | Katerina Sakellaropoulou | 13%
|
| Denmark | 2019-2026 (now) | Prime Minister | Mette Frederiksen | 13%
|
| Tanzania | 2021-2026 (now) | President | Samia Suluhu Hassan | 13%
|
| Japan | 2025-2026 (now) | Prime Minister | Sanae Takaichi | 13%
|
| Bangladesh | 1996-2001 ; 2009-2024 | Sheikh Hasina | 13%
| |
| Honduras | 2022-2026 | President | Xiomara Castro | 13%
|
| Ukraine | 2007-2010 | Prime Minister | Yulia Tymoshenko | 13%
|
| Slovakia | 2019-2024 | President | Zuzana Čaputová | 13%
|
| San Marino | 2023-2023 | Captain regent | Adele Tonnini | 0%
|
| Malta | 1982-1987 | President | Agatha Barbara | 0%
|
| Kosovo | 2026-2026 (now) | Acting President | Albulena Haxhiu | 0%
|
| Slovenia | 2013-2014 | Prime Minister | Alenka Bratušek | 0%
|
| San Marino | 2026-2026 (now) | Captain regent | Alice Mina | 0%
|
| Mauritius | 2015-2018 | President | Ameenah Gurib-Fakim | 0%
|
| Senegal | 2013-2014 | Prime Minister | Aminata Touré | 0%
|
| Serbia | 2017-2024 | Prime Minister | Ana Brnabić | 0%
|
| Madagascar | 2009-2014 ; 2018-2023 | Prime Minister | Andry Rajoelina | 0%
|
| San Marino | 2013-2013 | Captain regent | Anna Maria Muccioli | 0%
|
| San Marino | 2013-2013 | Captain regent | Antonella Mularoni | 0%
|
| Kosovo | 2011-2016 | President | Atifete Jahjaga | 0%
|
| Austria | 2004-2004 | Barbara Prammer | 0%
| |
| Poland | 2015-2017 | Prime Minister | Beata Szydlo | 0%
|
| Nepal | 2015-2023 | President | Bidya Devi Bhandari | 0%
|
| Guinea-Bissau | 1984-1984 | President | Carmen Pereira | 0%
|
| Central African Republic | 2014-2016 | President | Catherine Samba-Panza | 0%
|
| Sri Lanka | 1994-2005 | President | Chandrika Kumaratunga | 0%
|
| Luxembourg | 1919-1964 | Grand Duchess | Charlotte | 0%
|
| Trinidad and Tobago | 2023-2026 (now) | President | Christine Kangaloo | 0%
|
| Philippines | 1986-1992 | President | Corazon Aquino | 0%
|
| Lithuania | 2009-2019 | President | Dalia Grybauskaitė | 0%
|
| Israel | 2007-2007 | President | Dalia Itzik | 0%
|
| San Marino | 2012 ; 2025 | Captain regent | Denise Bronzetti | 0%
|
| Vietnam | 2018-2018 | President | Đặng Thị Ngọc Thịnh | 0%
|
| Austria | 2016-2017 | Doris Bures | 0%
| |
| Switzerland | 2010-2010 ; 2017-2017 | President | Doris Leuthard | 0%
|
| India | 2022-2026 (now) | President | Droupadi Murmu | 0%
|
| Eswatini | 1982-1983 | Queen | Dzeliwe Shongwe | 0%
|
| San Marino | 1991-1991 | Captain regent | Edda Ceccoli | 0%
|
| France | 1991-1992 | Prime Minister | Édith Cresson | 0%
|
| France | 2022-2022 | Prime Minister | Élisabeth Borne | 0%
|
| Liberia | 2006-2018 | President | Ellen Johnson Sirleaf | 0%
|
| Belize | 1981-1993 | Elmira Minita Gordon | 0%
| |
| Norway | 2013-2021 | Prime Minister | Erna Solberg | 0%
|
| Switzerland | 2012-2012 | President | Eveline Widmer-Schlumpf | 0%
|
| Latvia | 2023-2026 (now) | Prime Minister | Evika Silina | 0%
|
| Poland | 2014-2015 | Prime Minister | Ewa Kopacz | 0%
|
| San Marino | 2005-2005 | Captain regent | Fausta Morganti | 0%
|
| Samoa | 2021-2025 | Prime Minister | Fiamē Naomi Mata’afa | 0%
|
| San Marino | 2024-2024 | Captain regent | Francesca Civerchia | 0%
|
| Belize | 2021-2026 (now) | Froyza Tzalam | 0%
| |
| Philippines | 2001-2010 | President | Gloria Macapagal Arroyo | 0%
|
| San Marino | 1984-1984 | Captain regent | Gloriana Ranocchini | 0%
|
| North Macedonia | 2024-2026 (now) | President | Gordana Siljanovska-Davkova | 0%
|
| San Marino | 2020-2020 | Captain regent | Grazia Zafferani | 0%
|
| Norway | 1981-1981; 1986-1989; 1990-1996 | Prime Minister | Gro Harlem Brundtland | 0%
|
| Singapore | 2017-2023 | President | Halima Yacob | 0%
|
| Iceland | 2024-2026 (now) | President | Halla Tómasdóttir | 0%
|
| Poland | 1992-1993 | Prime Minister | Hanna Suchocka | 0%
|
| New Zealand | 1999-2008 | Prime Minister | Helen Clark | 0%
|
| Denmark | 2011-2015 | Prime Minister | Helle Thorning-Schmidt | 0%
|
| Marshall Islands | 2016-2020 ; 2024-2026 (now) | President | Hilda Heine | 0%
|
| Bulgaria | 2026-2026 (now) | President | Iliana Iotova | 0%
|
| São Tomé andPríncipe | 2025-2025 | Prime Minister | Ilza Amado-Vaz | 0%
|
| Lithuania | 2025-2026 (now) | Prime Minister | Inga Ruginienė | 0%
|
| Lithuania | 2020-2024 | Prime Minister | Ingrida Simonytė | 0%
|
| Lithuania | 1999-1999 | Prime Minister | Irena Degutienė | 0%
|
| Slovakia | 2010-2012 | Prime Minister | Iveta Radičová | 0%
|
| Guyana | 1997-1999 | President | Janet Jagan | 0%
|
| New Zealand | 1997-1999 | Prime Minister | Jenny Shipley | 0%
|
| Malawi | 2012-2014 | President | Joyce Banda | 0%
|
| Trinidad and Tobago | 2010-2015 ; 2025-2026 (now) | Prime Minister | Kamla Persad-Bissessar | 0%
|
| Switzerland | 2025-2025 | President | Karin Keller-Sutter | 0%
|
| Lithuania | 1990-1991 | Prime Minister | Kazimira Prunskienė | 0%
|
| Estonia | 2016-2021 | President | Kersti Kaljulaid | 0%
|
| Bangladesh | 1991-1996 ; 2001-2006 | Khaleda Zia | 0%
| |
| Tuva | 1940-1944 | Chairwoman | Khertek Anchimaa-Toka | 0%
|
| Canada | 1993-1993 | Prime Minister | Kim Campbell | 0%
|
| Croatia | 2015-2020 | President | Kolinda Grabar-Kitarović | 0%
|
| Eswatini | 1899-1921 | Queen | Labotsibeni Mdluli | 0%
|
| Latvia | 2014-2016 | Prime Minister | Laimdota Straujuma | 0%
|
| Costa Rica | 2010-2014 | President | Laura Chinchilla | 0%
|
| Costa Rica | 2026-2026 (now) | President | Laura Fernández | 0%
|
| Bolivia | 1979-1980 | Lidia Gueiler | 0%
| |
| San Marino | 2015-2015 | Captain regent | Lorella Stefanelli | 0%
|
| Sweden | 2021-2022 | Prime Minister | Magdalena Andersson | 0%
|
| Lesotho | 1970 ; 1990 ; 1996 | Regent | ‘Mahomato Bereng Seeiso | 0%
|
| Senegal | 2001-2002 | Prime Minister | Mame Madior Boye | 0%
|
| São Tomé and Príncipe | 2002-2004 | Prime Minister | Maria das Neves | 0%
|
| Portugal | 1979-1980 | Prime Minister | Maria de Lourdes Pintasilgo | 0%
|
| São Tomé andPríncipe | 2005-2006 | Prime Minister | Maria do Carmo Silveira | 0%
|
| San Marino | 2000-2000 | Captain regent | Maria Domenica Michelotti | 0%
|
| San Marino | 1981-1981 | Captain regent | Maria Lea Pedini-Angelini | 0%
|
| San Marino | 2011 ; 2022 | Captain regent | Maria Luisa Berti | 0%
|
| Luxembourg | 1912-1919 | Grand Duchess | Marie-Adélaïde | 0%
|
| San Marino | 2019-2019 | Captain regent | Mariella Mularoni | 0%
|
| Malta | 2014-2019 | President | Marie-Louise Coleiro Preca | 0%
|
| Ireland | 1997-2011 | President | Mary McAleese | 0%
|
| Ireland | 1990-1997 | President | Mary Robinson | 0%
|
| Indonesia | 2001-2004 | President | Megawati Sukarnoputri | 0%
|
| Barbados | 2018-2026 (now) | Mia Mottley | 0%
| |
| Switzerland | 2007-2007; 2011-2011 | President | Micheline Calmy-Rey | 0%
|
| Chile | 2006-2010 | President | Michelle Bachelet | 0%
|
| San Marino | 2024-2024 | Captain regent | Milena Gasperoni | 0%
|
| San Marino | 2017-2017 | Captain regent | Mimma Zavoli | 0%
|
| Panama | 1999-2004 | President | Mireya Moscoso | 0%
|
| Malta | 2024-2026 (now) | President | Myriam Spiteri Debono | 0%
|
| Tunisia | 2021-2023 | Prime Minister | Najla Bouden | 0%
|
| Slovenia | 2022-2026 (now) | President | Nataša Pirc Musar | 0%
|
| Namibia | 2025-2026 (now) | President | Netumbo Nandi-Ndaitwah | 0%
|
| Georgia | 2003-2004 ; 2007-2008 | President | Nino Burjanadze | 0%
|
| Eswatini | 1983-1986 | Queen | Ntfombi Tfwala | 0%
|
| Mongolia | 1999-1999 | Prime Minister | Nyam-Osoryn Tuyaa | 0%
|
| Greece | 1920-1920 | Queen | Olga Constantinovna | 0%
|
| Thailand | 2024-2025 | Prime Minister | Paetongtarn Shinawatra | 0%
|
| South Korea | 2013-2017 | President | Park Geun-hye | 0%
|
| San Marino | 1993-1993 | Captain regent | Patrizia Busignani | 0%
|
| Trinidad and Tobago | 2018-2023 | President | Paula-Mae Weekes | 0%
|
| Jamaica | 2006-2007 ; 2012-2016 | Prime Minister | Portia Simpson-Miller | 0%
|
| India | 2007-2012 | President | Pratibha Patil | 0%
|
| North Macedonia | 2004-2004 | Prime Minister | Radmila Sekerinska | 0%
|
| Ecuador | 1997-1997 | President | Rosalía Arteaga | 0%
|
| Nicaragua | 2025-2026 (now) | Co-President | Rosario Murillo | 0%
|
| San Marino | 1999 ; 2008 | Captain regent | Rosa Zafferani | 0%
|
| Kyrgyzstan | 2010-2011 | President | Roza Otunbayeva | 0%
|
| Switzerland | 1999-1999 | President | Ruth Dreifuss | 0%
|
| East Germany | 1990-1990 | President | Sabine Bergmann-Pohl | 0%
|
| Ethiopia | 2018-2024 | President | Sahle-Work Zewde | 0%
|
| Georgia | 2018-2024 | President | Salomé Zourabichvili | 0%
|
| Barbados | 2021-2025 | Sandra Manson | 0%
| |
| Tunisia | 2025-2026 (now) | Prime Minister | Sara Zaafarani | 0%
|
| Switzerland | 2015-2015 | President | Simonetta Sommaroga | 0%
|
| Cambodia | 1960-1970 | Queen | Sisowath Kossamak | 0%
|
| Serbia | 2012-2012 | President | Slavica Đukić Dejanović | 0%
|
| Belgium | 2019-2020 | Sophie Wilmès | 0%
| |
| Mongolia | 1953-1954 | Chairwoman of the presidium of the State Great Khural | Sükhbaataryn Yanjmaa | 0%
|
| Dominica | 2023-2026 | President | Sylvanie Burton | 0%
|
| Burundi | 1993-1994 | President | Sylvie Kinigi | 0%
|
| Finland | 2000-2012 | President | Tarja Halonen | 0%
|
| Taiwan | 2016-2024 | President | Tsai Ing-Wen | 0%
|
| Latvia | 1999-2007 | President | Vaira Vīke-Freiberga | 0%
|
| San Marino | 2003 ; 2014 | Captain regent | Valeria Ciavatta | 0%
|
| San Marino | 2017-2017 | Captain regent | Vanessa d’Ambrioso | 0%
|
| Togo | 2020-2025 | Prime Minister | Victoire Tomegah Dogbé | 0%
|
| Iceland | 1980-1996 | President | Vigdís Finnbogadóttir | 0%
|
| Switzerland | 2024-2024 | President | Viola Amherd | 0%
|
| Romania | 2018-2019 | President | Viorica Dăncilă | 0%
|
| Kosovo | 2021-2026 | President | Vjosa Osmani | 0%
|
| Vietnam | 2023-2023 ; 2024-2024 | President | Võ Thị Ánh Xuân | 0%
|
| Thailand | 2011-2014 | Prime Minister | Yingluck Shinawatra | 0%
|
| Ukraine | 2025-2026 (now) | Prime Minister | Yulia Svyrydenko | 0%
|