Crimes against humanity are serious offenses, including murder, extermination, enslavement, torture, and persecution of an identifiable group, committed as part of a widespread or systematic attack directed against a civilian population, with the perpetrator aware that the act forms part of that broader pattern, a definition most fully codified in the Rome Statute establishing the International Criminal Court. The offense is legally distinguished from war crimes in that it does not require any connection to an armed conflict, and it is distinguished from genocide in that it does not require the specific intent to destroy a protected group as such, requiring instead only that the underlying acts occur as part of a widespread or systematic attack on a civilian population, a somewhat broader and, in practice, comparatively more provable standard than genocide's narrower intent requirement. First formally prosecuted at the Nuremberg trials following the Second World War, the category has since been applied to atrocities committed both during peacetime and armed conflict by state and non-state actors alike, and it can be prosecuted before international tribunals such as the International Criminal Court, hybrid domestic-international courts established for specific conflicts, or a state's own domestic courts exercising jurisdiction over the underlying acts. Establishing a crimes-against-humanity charge typically requires proving both the specific underlying criminal acts and the broader contextual element of a widespread or systematic attack, which international prosecutors typically establish through a combination of documentary evidence, witness testimony, and pattern analysis across multiple incidents rather than proof of a single isolated act.
Facts
Classification CodeCrimes against humanity are one of the four core crimes of international criminal law, alongside genocide, war crimes and the crime of aggression, and unlike ordinary domestic offenses they carry no temporal or jurisdictional limitation on prosecution where universal jurisdiction is recognized. 1 Elements of OffenseThe Rome Statute lists eleven acts that qualify as a crime against humanity when committed as part of a widespread or systematic attack directed against any civilian population: murder, extermination, enslavement, deportation or forcible transfer of population, imprisonment or severe deprivation of physical liberty, torture, rape and other sexual violence of comparable gravity, persecution against an identifiable group, enforced disappearance, apartheid, and other inhumane acts of a similar character causing great suffering or serious injury. 1 Notable ExampleThe first prosecution for crimes against humanity took place at the Nuremberg trials against defeated leaders of Nazi Germany and their collaborators. 1 Jurisdiction VariationCrimes against humanity are prosecuted both by international tribunals, such as the International Criminal Tribunal for the former Yugoslavia, the International Criminal Tribunal for Rwanda, the Special Court for Sierra Leone, the Extraordinary Chambers in the Courts of Cambodia and the International Criminal Court, and by ordinary domestic courts. 1 Classification
Offense GradeSerious or Indictable Offense 1 Connections
Associated With
Genocide, Offenses Both named in the same passage as core crimes of international criminal law, alongside war crimes and the crime of aggression.
Source Crimes Against Humanity (Wikipedia)
Source Wikipedia: War Crime
Has Offense Grade
Entity-backed identity for the offense-grade enum value this offense already carries, resolved to a crime concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The offense-grade fact itself stays on the offense unchanged.
In the Other Atlases
- Also in Geography Atlas: Africa, found in there.
- Also in Geography Atlas: Asia, found in there.
Sources
1. Crimes Against Humanity (Wikipedia)
Wikipedialead paragraph, first sentence
Crimes against humanity are certain crimes committed as part of a large-scale attack against civilians.
Lead section, first paragraph, second sentence
Together with war crimes, genocide, and the crime of aggression, crimes against humanity are one of the core crimes of international criminal law and, like other crimes against international law, have no temporal or jurisdictional limitations on prosecution (where universal jurisdiction is recognized).
Lead section, third paragraph
According to the Rome Statute, there are eleven types of crimes that can be charged as a crime against humanity when "committed as part of a widespread or systematic attack directed against any civilian population": "murder; extermination; enslavement; deportation or forcible transfer of population; imprisonment or other severe deprivation of physical liberty in violation of fundamental rules of international law; torture; rape, sexual slavery, enforced prostitution, forced pregnancy, forced abortion, enforced sterilization, or any other form of sexual violence of comparable gravity; persecution against any identifiable group or collectivity...; enforced disappearance...; the crime of apartheid; other inhumane acts of a similar character intentionally causing great suffering, or serious injury to body or to mental or physical health."
Lead section, second paragraph, second sentence
Crimes against humanity have been prosecuted by other international courts (such as the International Criminal Tribunal for the former Yugoslavia, the International Criminal Tribunal for Rwanda, the Special Court for Sierra Leone, the Extraordinary Chambers in the Courts of Cambodia, and the International Criminal Court) as well as by domestic courts.
Lead section, second paragraph, first sentence
The first prosecution for crimes against humanity took place during the Nuremberg trials and subsequent Nuremberg trials against defeated leaders of Nazi Germany and collaborators.
View the Source Wikipedia: War Crime
Associated With: War Crimes, Definition section, International Humanitarian LawQuote, Associated With: War Crimes, Definition section, International Humanitarian Law
War crimes are sometimes part of instances of mass murder and genocide, though these crimes are more broadly covered under international humanitarian law described as crimes against humanity.
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