GLOSSARY
Genocide: international law's narrowest definition, and why it is almost impossible to prove
Updated September 12, 2026
When this site reports that a UN body has "found" or "concluded" a genocide, it always refers to a specific finding against a precise legal definition — not a judgment of moral gravity. Genocide is, by design, the international crime with the highest evidentiary threshold: an enormous death toll is not enough on its own; what must be proven is a precise intent. This entry explains what is required to use the term in its technical sense, and who has the authority to establish it.
What it is
The Convention on the Prevention and Punishment of the Crime of Genocide, adopted by the UN General Assembly on 9 December 1948 and in force since 12 January 1951 (153 States parties), defines genocide in Article II as any of five acts — killing members of the group; causing serious bodily or mental harm to members of the group; deliberately inflicting on the group conditions of life calculated to bring about its physical destruction in whole or in part; imposing measures intended to prevent births within the group; forcibly transferring children of the group to another group — committed "with intent to destroy, in whole or in part, a national, ethnical, racial or religious group, as such." Article III also punishes attempt, conspiracy, complicity and direct and public incitement to commit it. The Rome Statute repeats the identical definition in Article 6.
The element that makes it almost impossible to prove
What distinguishes genocide from other mass crimes is not the scale of the victims but the "dolus specialis": the specific intent to destroy the group as such, not merely its individual members. An extremely high civilian death toll is not enough on its own — it must be shown that destroying the group, as a group, was the purpose pursued, not a side-effect of another aim (military, territorial, economic). This is why international courts and tribunals always draw a careful distinction between war crimes or crimes against humanity — which require proving conduct — and genocide, which additionally requires proving intent.
Who rules on what
The International Court of Justice judges States, for breaches of the 1948 Convention between States parties; it can order "provisional measures" during proceedings, which are not a ruling on the merits. The International Criminal Court judges individuals, under Article 6 of the Rome Statute. A third, non-judicial level consists of fact-finding missions and commissions established by the UN Human Rights Council: they can conclude there are "reasonable grounds" to believe a genocide is under way, but they issue no rulings and hold no coercive power. Keeping these three levels separate — a judicial finding on the merits, a provisional measure, and the conclusion of an inquiry body — is essential to avoid conflating different degrees of certainty.
Cases already covered on this site
This site has applied the definition to several theatres, with different outcomes. In Sudan, the UN Fact-Finding Mission concluded on 19 February 2026 that the RSF's campaign against the non-Arab Zaghawa and Fur communities bears the hallmarks of genocide, after the US government had already issued its own determination in January 2025. In Myanmar, the International Court of Justice held merits hearings in the Gambia v. Myanmar case over the 2017 campaign against the Rohingya — a State-to-State proceeding still without a final judgment. In the Democratic Republic of Congo, the reference is twofold: the 1994 genocide in Rwanda as an established historical fact, and a new DRC v. Rwanda case filed in 2026 that also invokes the Genocide Convention — a newly filed claim, not a ruling. In Ethiopia, advocacy organisations such as the Lemkin Institute describe the situation in Amhara as an ongoing genocide: this site reports it explicitly as a partisan position, since no UN judicial or inquiry body has so far confirmed it. In Gaza, the UN Commission of Inquiry concluded in September 2025 that Israel has committed genocide, finding four of the five prohibited acts under the Convention — a conclusion by an inquiry body, not a ruling by the ICJ or the ICC, whose South Africa v. Israel case at the ICJ remains open and without a merits ruling.
Who actually applies the Rome Statute, how the Court born from it works, and why an arrest warrant is often not enough.
Read the explainer on the ICCSources: Convention on the Prevention and Punishment of the Crime of Genocide, 1948 — UN · Rome Statute, Art. 6 — ICC · International Court of Justice