The last century was the bloodiest in all of history

The full tally of deaths in the 20^th century by violence stands well above 200,000,000. About 35 million people were killed in wars, and 169 million souls were murdered, starved, tortured, beaten, crushed, gassed, marched, flogged, or worked to death by their own governments

61,911,000 U.S.S.R. 1917-87 Communist
35,236,000 China (PRC) 1949-87 Communist
20,946,000 Germany 1933-45 Socialist
10,075,000 China (KMT) 1928-49 Chiang Kai Shek
5,964,000 Japan 1936-45 Authoritarian
3,466,000 China (Mao Soviets) 1923-49. Communist
2,035,000 Cambodia 1975-79 Communist
1,883,000 Turkey 1909-18 Ottoman Empire
1,670,000 Vietnam 1945-87 Communist
1,663,000 North Korea 1948-87 Communist
1,585,000 Poland 1945-48 Socialist
1,503,000 Pakistan 1958-87 Socialist
1,417,000 Mexico 1900-20 Socialist
1,072,000 Yugoslavia (Tito) 1944-88 Communist
1,066,000 Russia 1900-17 Communist
910,000 China (Warlords) 1917-49 Various (Qing)Â Warlords
878,000 Turkey (Ataturk) 1919-23 Authoritarian
816,000 United Kingdom 1900-87 Parliamentary
741,000 Portugal (Dictatorship) 1926-82 Fascist
729,000 Indonesia 1965-87 Parliamentary/Suharto
13,637,000 Others 1900-87