Daftar perang dan bencana menurut korban jiwa
Perang, konflik bersenjata, dan genosida

Angka di bawah dituliskan dalam jutaan dan mencakup kematian dari penyakit, kelaparan, dan kematian dalam pertempuran, pembantaian, ataupun genosida. Angka yang ditulis merupakan angka perkiraan. Bila hanya ada satu perkiraan, maka perkiraan terendah dan tertinggi ditulis dengan nilai sama.
| Perkiraan terendah | Perkiraan Log>  mean | Perkiraan Tertinggi | Peristiwa | Lokasi | Mulai | Akhir | Durasi (tahun) | Catatan, Lihat pula |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |

| &&&&&&&&&&&&&040.&&&&&040 | 58 | &&&&&&&&&&&&&085.&&&&&085 | Perang Dunia 2 | Seluruh dunia | 1939 | 1945 | 6 tahun 1 hari | Korban Perang Dunia II and Perang Tiongkok-Jepang Kedua (termasuk Holocaust dan kematian di kamp konsentrasi) |

| &&&&&&&&&&&&&036.&&&&&036 | 37 | &&&&&&&&&&&&&040.&&&&&040 | Tiga Kerajaan | Tiongkok | 184 | 280 | 96 |  |
| 30 | 35 | 40 | Ekspansi mongol | Eurasia | 1206 | 1368 | 163 | Kekaisaran Mongol |

| 25 | 25 | 25 | Ekspansi Manchu | Tiongkok | 1616 | 1662 | 47 | Dinasti Qing |
| 20 | 32 | 100 | Pemberontakan Taiping | Tiongkok | 1851 | 1864 | 14 |  |
| 15 | 31 | 65 | Perang Dunia I | Seluruh dunia | 1914 | 1918 | 4 tahun, 3 bulan, 1 minggu | Kematian akibat flu Spanyol dimasukan dalam angka perkiraan tertinggi. |
| 15 | 17 | 20 | Penaklukan Timur-e-Lang | Asia Barat, Asia Selatan, Asia Tengah, Rusia | 1369 | 1405 | 37 | Dinasti Timurid |
| 13 | 21 | 36 | Pemberontakan An Lushan | Tiongkok | 755 | 763 | 9 | Peperangan pada Abad Pertengahan |
| 8 | 8 | 8 | Perang Sipil Tiongkok | Tiongkok | 1927 | 1949 | 22 |  |
| 5[butuh rujukan]  | 6.7 | 9 | Perang Sipil Rusia | Rusia | 1917 | 1921 | 5 |  |
| 4.194 | 8.4 | 17  | Holocaust | Eropa | 1941 | 1945 | 4 | Angka perkiraan terendah berasal dari jumlah orang Yahudi yang tewas dalam peristiwa ini sementara angka tertinggi mencakup semua kebijakan pembunuhan Jerman yang berbasis ras dan politik, baik langsung maupun tidak langsung. |
| 3.5 [butuh rujukan]  | 4.9 | 7.0 | Perang Napoleon | Eropa, Atlantik, Pasifik, dan Samudra Hindia | 1803 | 1815 | 13 |  |
| 3.0 | 5.9 | 11.5 | Perang Tiga Puluh Tahun | Kekaisaran Romawi Suci | 1618 | 1648 | 31 | Perang agama |
| 3.0 | 4.6 | 7.0 | Pemberontakan Serban Kuning | Tiongkok | 184 | 205 | 22 | bagian dari Perang Tiga Kerajaan |
| 2.5 | 3.7 | 5.4 | Perang Kongo Kedua | Republik Demokratik Kongo | 1998 | 2003 | 6 | Perang Kongo Pertama |
| 2.582 | 4.5 | 8.0 | Holodomor (and Soviet famine of 1932–1933) | Ukrainian SSR (and other areas of southern USSR, western Siberia) | 1932 | 1933 | 1 | Targeted famine and forced relocation of Soviet ethnic groups, especially landed Ukrainian peasants, by Stalin Regime. |
| 2.3 | 2.8 | 3.3 | Hundred Years' War | Western Europe | 1337 | 1453 | 107 | Edwardian War (1337-1360), Caroline War (1369-1389), Lancastrian War (1415–53) |
| 2.0  | 14 | 100  | European colonization of the Americas | Americas | 1492 | 1900 | 408 | Colonization, disease, ethnic cleansing and war. |
| 2.0 | 2.8 | 4.0 | French Wars of Religion | France | 1562 | 1598 | 37 | Religious war |
| 1.5 | 1.7 | 2.0 | Shaka's conquests | Southern Africa | 1816 | 1828 | 13 | Ndwandwe–Zulu War |
| 1.5 | 1.7 | 2.0 | War in Afghanistan | Afghanistan | 1979 | 2000 | 22 | Soviet-Afghan War, Taliban Era.  Death toll estimates through 1999 (2M) and 2000 (1.5M and 2M). |
| 1.0 | 1.7 | 3.0 | Nigerian Civil War | Nigeria | 1966 | 1970 | 4 | Ethnic cleansings of the Igbo people followed by Civil War. |
| 1.0 | 1.7 | 3.0 | Cambodian Genocide | Cambodia | 1975 | 1979 | 4 | War casualties, famine, health system collapse, executions and ethnic cleansing during the Khmer Rouge regime. |
| 1.0 | 1.7 | 3.0 | Crusades | Holy Land, Europe | 1095 | 1291 | 197 | Christian military excursions against the Muslim Conquests. |
| 1.0 | 1.4 | 2.0 | Second Sudanese Civil War | Sudan | 1983 | 2005 | 23 | First Sudanese Civil War |
| 0.9 | 0.94 | 1.0 | Gallic Wars | France | 58 BC | 50 BC | 9 | Roman Empire |
| 0.8 | 0.89 | 1.0 | Du Wenxiu Rebellion | Tiongkok | 1856 | 1873 | 18 |  |
| 0.8 | 1.5 | 3.0 | Vietnam War | Southeast Asia | 1955 | 1975 | 21 | Cold War and First Indochina War |
| 0.67 | 0.75 | 0.85 | American Civil War | United States of America | 1861 | 1865 | 4 | Estimates include civilian deaths |
| 0.6 | 1.1 | 2.0 | Soviet War in Afghanistan | Afghanistan | 1980 | 1988 | 9 | Sometimes categorized as a proxy war during the Cold War. |
| 0.5 | 1.2 | 3.0 | Expulsion of Germans after World War II | Europe | 1945 | 1950 | 5 | Both direct and indirect deaths of ethnic German civilians and POWs during the redrawing of national borders after World War II. |
| 0.5 | 1 | 2.0 | Mexican Revolution | Mexico, United States | 1911 | 1920 | 10 | Includes Pancho Villa's raids and the Columbus Raid. |
| 0.5 | 1.0 | 2.0[butuh rujukan]  | Iran–Iraq War | Iran, Iraq | 1980 | 1988 | 9 | Includes the Al-Anfal Campaign and the Invasion of Kuwait. |
| 0.5 | 0.71 | 1.0 | Rwandan genocide | Rwanda | 1994 | 1994 | 1 | Part of the Rwandan Civil War. |
| 0.5 | 0.71 | 1.0 | Spanish Civil War | Spain | 1936 | 1939 | 4 |  |
| 0.4 | 0.45 | 0.5 | Circassian Genocide | Circassia | 1864 | 1867 | 3 | Deaths during the ethnic cleansing of Circassia by the Russian Empire in the aftermath of the Russo–Circassian War (1763–1864). |
| 0.4 | 1.34 | 4.5 | Korean War | Korean Peninsula | 1950 | 1953 | 4 | Categorized as part of the Cold War. |
| 0.3 | 0.67 | 1.5 | Armenian Genocide | Anatolia | 1915 | 1923 | 8 | Called the First Genocide of the 20th century and officially recognized by 21 countries as such, though modern Turkey disputes the use of this term and some associated claims. |
| 0.3 | 0.6 | 1.2 | Paraguayan War | South America | 1864 | 1870 | 7 | Military history of South America, Francisco Solano López and Luís Alves de Lima e Silva, Duke of Caxias |
| 0.3 | 0.24 | 0.4 | Deluge | Polish-Lithuanian Commonwealth | 1655 | 1660 | 6 | The Second Northern War, including subsequent campaigns by the same powers through the 1650s, and skirmishes between Catholic and Protestant partisans. |
| 0.272 | 0.585 | 1.260 | War on Terror | Greater Middle East | 2001 | 2013 | 12 | Includes Iraq War, War in Afghanistan (2001–present), and War in North-West Pakistan. |
| 0.2 | 0.45 | 1.0 | Greek genocide | Anatolia | 1915 | 1923 | 8 | The use of the term "genocide" is disputed by modern Turkey. |
| 0.097207 | 0.31 | 0.2 | Bosnian War | Bosnia | 1992 | 1995 | 3 | During the Bosnian War, at least 97,207 people were killed. |
| 0.075 | 0.099 | 0.13 | Massacres of Poles by the Ukrainian Insurgent Army | Volhyn and Eastern Galicia | 1943 | 1944 | 1 | Killings conducted by the Ukrainian Insurgent Army on Polish civilians. |
| 0.2 | 0.77 | 3.0 | 1971 Bangladesh genocide | East Pakistan (now Bangladesh) | 1971 | 1971 | 1 | Killings by the Pakistani Armed Forces in East Pakistan leading to the Bangladesh Liberation War and Indo-Pakistani War of 1971; widely regarded as a genocide against the Bengali people. |