| Year(s) | Answer | % Correct |
|---|---|---|
| 1836-1875, 1846-1848, 1858-1866, 1859–1861, 1875, 1879-1880, 1891-1893, 1896-1918, 1910-1919, 1914 | Mexico | 99%
|
| 1853-1854, 1945 | Japan | 96%
|
| 1856-1859, 1899-1901, 1944 | China | 94%
|
| 1943-1945 | Germany | 94%
|
| 1917–1918, 1944-1945 | France | 93%
|
| 1991–2003, 2003–2011, 2014–2021 | Iraq | 93%
|
| 1812-1815 | Canada | 91%
|
| 1943-1945 | Italy | 90%
|
| 1918–1920 | Russia | 90%
|
| 1965–1973 | Vietnam | 87%
|
| 1898, 1912, 1961 | Cuba | 83%
|
| 1898 | Spain | 81%
|
| 2001–2021 | Afghanistan | 80%
|
| 1871, 1950-1953, 1966-1969 | South Korea | 80%
|
| 1950-1953, 1966–1969 | North Korea | 77%
|
| 1898, 1899-1902, 1899-1913, 1942, 1944-1945 | Philippines | 76%
|
| 1882 | Egypt | 74%
|
| 2014–present | Syria | 70%
|
| 1801-1805, 1815, 1986, 2011, 2015-2019 | Libya | 69%
|
| 1944-1945, 1958-1961 | Indonesia | 67%
|
| 1944-1945 | Netherlands | 67%
|
| 1918, 1944-1945 | Belgium | 66%
|
| 1967–1975 | Cambodia | 64%
|
| 1959–1975 | Laos | 64%
|
| 2002–present, 2023–present | Yemen | 61%
|
| 1815, 1942 | Algeria | 60%
|
| 1989–1990 | Panama | 57%
|
| 1915–1934, 1994–1995 | Haiti | 56%
|
| 1815, 1942 | Morocco | 54%
|
| 2004–2018 | Pakistan | 54%
|
| 1991 | Saudi Arabia | 54%
|
| 1916–1924, 1965–1966 | Dominican Republic | 53%
|
| 1815, 1943 | Tunisia | 51%
|
| 1958, 1982–1984 | Lebanon | 50%
|
| 1945 | Malaysia | 50%
|
| 1942–1944 | Papua New Guinea | 50%
|
| 1867 | Taiwan | 49%
|
| 1991 | Kuwait | 47%
|
| 1912–1933 | Nicaragua | 46%
|
| 1992–1995, 2007–present | Somalia | 43%
|
| 1944 | Marshall Islands | 41%
|
| 1944-1945 | Luxembourg | 37%
|
| 1943 | Myanmar | 37%
|
| 1992–1995 | Bosnia and Herzegovina | 36%
|
| 1945 | Micronesia | 36%
|
| 1998–1999 | Serbia | 36%
|
| 1944 | Palau | 34%
|
| 1983 | Grenada | 33%
|
| 1942-1943 | Solomon Islands | 33%
|
| 1992–1995 | Croatia | 31%
|
| 1943 | Kiribati | 29%
|
| 1998–1999 | Kosovo | 26%
|
| 1942 | Malta | 26%
|
| 1898–1899 | Samoa | 26%
|
| 1942-1945 | Tuvalu | 26%
|
| 2013–present | Niger | 24%
|
| 1945 | Brunei | 17%
|
| 1943 | Monaco | 9%
|
| 2011–2017 | Uganda | 3%
|