| Reign | Leader | % Correct |
|---|---|---|
| 1918-1919 | João do Canto e Castro | 100%
|
| 1385-1433 | John I | 100%
|
| 1481-1495 | John II | 100%
|
| 1521-1557 | John III | 100%
|
| 1640-1656 | John IV | 100%
|
| 1706-1750 | John V | 100%
|
| 1816-1826 | John VI | 100%
|
| 1139-1185 | Alphonso I | 83%
|
| 1211-1223 | Alphonso II | 83%
|
| 1248-1279 | Alphonso III | 83%
|
| 1325-1357 | Alphonso IV | 83%
|
| 1438-1481 | Alphonso V | 83%
|
| 1656-1683 | Alphonso VI | 83%
|
| 1889-1908 | Charles I | 67%
|
| 1367-1383 | Ferdinand I | 67%
|
| 1578-1580 | Henry I | 67%
|
| 1911-1915 | Manuel de Arriaga | 67%
|
| 1926 | Manuel Gomes da Costa | 67%
|
| 1923-1925 | Manuel Teixeira Gomes | 67%
|
| 1598-1621 | Philip II | 67%
|
| 2006-2016 | Aníbal Cavaco Silva | 50%
|
| 1951 | António de Oliveira Salazar | 50%
|
| 1974 | António de Spínola | 50%
|
| 1976-1986 | António Ramalho Eanes | 50%
|
| 1996-2006 | Jorge Sampaio | 50%
|
| 1861-1889 | Louis I | 50%
|
| 2016-Present | Marcelo Rebelo de Sousa | 50%
|
| 1986-1996 | Mário Soares | 50%
|
| 1777-1816 | Mary I | 50%
|
| 1826-1828 | Mary II | 50%
|
| 1834-1853 | Mary II | 50%
|
| 1357-1367 | Peter I | 50%
|
| 1683-1706 | Peter II | 50%
|
| 1826 | Peter IV | 50%
|
| 1853-1861 | Peter V | 50%
|
| 1581-1598 | Philip I | 50%
|
| 1621-1640 | Philip III | 50%
|
| 1185-1211 | Sancho I | 50%
|
| 1223-1247 | Sancho II | 50%
|
| 1557-1578 | Sebastian | 50%
|
| 1910-1911 | Teófilo Braga | 50%
|
| 1915 | Teófilo Braga | 50%
|
| 1279-1325 | Denis I | 33%
|
| 1495-1521 | Emmanuel I | 33%
|
| 1908-1910 | Emmanuel II | 33%
|
| 1951-1958 | Francisco Craveiro Lopes | 33%
|
| 1974-1976 | Francisco da Costa Gomes | 33%
|
| 1926 | José Mendes Cabeçadas | 33%
|
| 1828-1834 | Michael I | 33%
|
| 1926-1951 | Óscar Carmona | 33%
|
| 1958-1974 | Américo Tomás | 17%
|
| 1919-1923 | António José de Almeida | 17%
|
| 1915-1917 | Bernardino Machado | 17%
|
| 1925-1926 | Bernardino Machado | 17%
|
| 1750-1777 | Joseph I | 17%
|
| 1580-1581 | Anthony | 0%
|
| 1383-1385 | Beatrice | 0%
|
| 1433-1438 | Edward | 0%
|
| 1917-1918 | Sidónio Pais | 0%
|