| Time | Fought Between | Deaths | War | % Correct |
|---|---|---|---|---|
| 1939–1945 | Allied powers vs. Axis Powers | 56,125,000–85,000,000 | World War II | 96%
|
| 1914–1918 | Allied Powers vs. Central Powers | 16,000,000–40,000,000+ | World War I | 95%
|
| 1955–1975 | South Vietnam and allies vs. North Vietnam and allies | 1,300,000–4,300,000 | Vietnam War | 81%
|
| 1950–1953 | South Korea and allies vs. North Korea and allies | 1,500,000–4,500,000 | Korean War | 75%
|
| 1927–1949 | ROC vs. PRC | 8,000,000–11,692,000 | Chinese Civil War | 71%
|
| 1917–1922 | Red army and allies vs. White army and allies | 5,000,000–9,000,000 | Russian Civil War | 70%
|
| 1967–1970 | Nigeria vs. Biafra | 1,000,000–3,000,000 | Nigerian Civil War | 61%
|
| 264 BC–146 BC | Roman Republic vs. Carthaginian Empire | 1,250,000–1,850,000 | Punic Wars | 60%
|
| 1095–1291 | Eventually: Christians vs Muslims | 1,000,000–3,000,000 | Crusades | 56%
|
| 1803–1815 | Coalition powers vs. French empire and allies | 3,500,000–7,000,000 | Napoleonic Wars | 52%
|
| 1337–1453 | House of Valois vs. House of Plantagenet | 2,300,000–3,300,000 | Hundred Years' War | 44%
|
| 58 BC–50 BC | Roman Republic vs. Gallic tribes | 1,000,000+ | Gallic Wars | 29%
|
| 1618–1648 | Pro-Habsburg states vs. Anti-Habsburg states | 4,000,000–12,000,000 | Thirty Years' War | 25%
|
| 711–1492 | Spanish and Portuguese states vs. Muslim states | 7,000,000-10,000,000 | Reconquista | 23%
|
| 1206–1368 | Mongol Empire vs. Several Eurasian states | 30,000,000–40,000,000 | Mongol conquests | 22%
|
| 1850–1864 | Qing China vs. Taiping Heavenly Kingdom | 20,000,000–70,000,000 | Taiping Rebellion | 22%
|
| 184–280 | Wei vs. Shu vs. Wu | 36,000,000–40,000,000 | Three Kingdoms War | 22%
|
| 1370–1405 | Timurid Empire vs. several middle eastern states | 8,000,000–20,000,000 | Conquests of Timur | 17%
|
| 1937–1945 | Republic of China and allies vs. Japan | 20,000,000–25,000,000 | 2nd Sino-Japanese War | 14%
|
| 1998–2003 | A Wide Variety of People in various positions. | 2,500,000–5,400,000 | 2nd Congo War | 12%
|
| 1562–1598 | Protestants vs. France vs. Catholics | 2,000,000–4,000,000 | French Wars of Religion | 8%
|
| 184–205 | Peasants vs. Eastern Han China | 3,000,000–7,000,000 | Yellow Turban Rebellion | 8%
|
| 534–548 | Moors vs. Byzantine Empire | 5,000,000+ | Moorish Wars | 6%
|
| 1983–2005 | Sudan vs. South Sudanese rebels | 1,000,000–2,000,000 | 2nd Sudanese Civil War | 4%
|
| 755–763 | Tang Dynasty China and Islamic Empire vs. Yan state | 13,000,000-36,000,000 | An Lushan Rebellion | 4%
|
| 1519–1632 | Spanish Colonial Empire vs. Aztec Empire | 2,300,000+ | Conquest of the Aztecs | 4%
|
| 1533–1572 | Spanish Colonial Empire vs. Inca Empire | 8,400,000+ | Conquest of the Incas | 4%
|
| 1658-1707 | Maratha empire vs. Mughal Empire | 5,000,000+ | Mughal–Maratha Wars | 4%
|
| 1862–1877 | Qing China vs. Hui vs. Kashgaria | 8,000,000–20,000,000 | Dungan Revolt | 3%
|
| 66–136 | Roman Empire vs. Jews | 1,270,000-2,000,000 | Jewish–Roman Wars | 3%
|
| 1815–1840 | Ethnic communities in south Africa | 1,500,000–2,000,000 | Mfecane | 3%
|
| 1854-1873 | Qing China vs. Miao | 4,900,000 | Miao Rebellion | 3%
|
| 1519–1595 | Spanish Colonial Empire vs. Mayan States | 1,460,000+ | Conquest of Yucatan | 1%
|
| 1592–1598 | Kingdom of Great Joseon and Ming China vs. Japan | 1,000,000+ | Invasions of Korea | 1%
|
| 1856–1873 | Qing China vs. Hui | 890,000–1,000,000 | Panthay Rebellion | 1%
|
| 1771–1802 | A Wide Variety of People in various positions. | 1,200,000–2,000,000+ | Tây Sơn rebellion | 1%
|
| 1616–1683 | Qing China vs. Ming China vs. Shun dynasty China | 25,000,000+ | Trans. Ming to Qing | 0%
|