| Regimes | Years | Total |
|---|---|---|
| U.S.S.R. | 1917-87 |
61,912,000 |
| China (Communist) | 1949-87 |
35,236,000 |
| Germany | 1933-45 |
20,946,000 |
| China (Nationalist) | 1928-49 |
10,075,000 |
| Japan | 1936-45 |
5,964,000 |
| China (Mao Soviets) | 1923-49 |
3,466,000 |
| Cambodia | 1975-79 |
2,035,000 |
| Turkey | 1909-18 |
1,883,000 |
| Vietnam | 1945-87 |
1,670,000 |
| North Korea | 1948-87 |
1,663,000 |
| Poland | 1945-48 |
1,585,000 |
| Pakistan | 1958-87 |
1,503,000 |
| Mexico | 1900-20 |
1,417,000 |
| Yugoslavia | 1944-87 |
1,072,000 |
| Russia | 1900-17 |
1,066,000 |
| Total Megamurders | 1900-87 |
151,493,000 |
| Lesser Murders | 1900-87 |
17,707,000 |
| World Total | 1900-87 |
169,200,000 |
| Since 1987 (estimated) | 1988-95 |
800,000 |
| Total Genocides/Democides | 1900-95 |
170,000,000 |
| War Dead in this Century | 1900-95 |
38,000,000 |
| Total Killed by Government | 1900-95 |
208,000,000 |
Democide: The intentional killing of unarmed or disarmed persons by government agents acting in their authoritative capacity and pursuant to government policy or high command.
Genocide: The intentional destruction of people because of their race, religion, ethnicity or other permanent group membership.
Source: Death by Government (1994) by R.J. Rummel