Is Russia's invasion of Ukraine justified?

This question involves contested justifications and international law — I'll examine Russia's stated arguments alongside the legal assessments to provide a balanced overview.

Russia's 2022 invasion of Ukraine is assessed differently depending on the framework used — Russia's stated security and humanitarian rationale versus international law — but the prevailing view among states and international legal experts is that it is not justified under international law.

1. Russia's Stated Justifications

On 23-24 February 2022, President Vladimir Putin announced a "special military operation" in Ukraine. He stated the aims included to "protect people who have been subjected to abuse and genocide" by the Ukrainian government and to "protect Russia and our people" and to achieve the "demilitarisation and denazification of Ukraine". He also said the Donetsk and Luhansk People's Republics — which Russia had recognized as independent two days before — had requested assistance.

Legal analyses summarize Russia's arguments as centered on three claims:

•Individual self-defense against a generalized threat posed by the United States, NATO and Ukraine. Article 51 of the U.N. Charter preserves states' "inherent right" of self-defense when an "armed attack occurs".

•Collective self-defense of the separatist areas in Luhansk and Donetsk, which Russia recognized as independent states three days before the invasion.

•Prevention of genocide / humanitarian protection, including claims of ending "genocide perpetrated by the Kiev regime" against Russians and Russian-speakers in the Donbas. Related Russian claims include protection of Russian-speaking populations and broader security concerns and strategic interests, including that Moscow views Ukraine's growing ties with the West as a threat.

Putin stated that the overarching aims were to "deNazify" and "demilitarize" Ukraine.

2. Framework Under International Law

The starting point for jus ad bellum — the law governing when a country can resort to force — is the U.N. Charter.

•Article 2(4) provides that all members "shall refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any state".

•Article 2(3) requires members to settle disputes by peaceful means.

•The Charter provides only two exceptions to the prohibition on the use of force: self-defence or authorization by the U.N. Security Council. Customary international law also requires that force be proportionate and necessary.

Other agreements Russia is party to include the 1975 Helsinki Final Act, the 1994 Budapest Memorandum in which Russia, the United States and the United Kingdom agreed "to respect the independence and sovereignty and the existing borders of Ukraine", and the Minsk agreements.

3. How International Bodies and Legal Experts Have Assessed the Claims

•Self-defense: Observers have generally concluded that the absence of military action by Ukraine threatening the Russian state means Russia's self-defense argument is not viable under any standard. Experts also argue Russia cannot rely on collective self-defense because Ukraine has not threatened or attacked another nation, and because Donetsk and Luhansk are not recognized as separate states under international law. One analogy offered is to a hypothetical "independent Republic of Texas" inviting a foreign government to send troops to fight the United States.

•Humanitarian / genocide justification: Experts have rejected the argument that the invasion is justified to protect Russian-speakers in the Donbas, questioning whether international law even allows use of force to remedy alleged human rights violations and noting that the legality of humanitarian intervention is heavily disputed. The claim is described as an entirely fabricated pretext for overthrowing Ukraine's government, with neither the United States nor international human rights monitors reporting evidence of such genocide. Scholars described Putin's allegations of genocide and comparison of Ukraine to a Nazi state as baseless.

•Comparison to Western interventions: Russia has compared its actions to interventions by the United States and allies in Kosovo, Iraq, Libya and Syria. These comparisons have been dismissed as irrelevant because one illegal act does not make a different act legal, with comments that "even if [they were] true, one illegal use of force does not justify another".

The general legal assessment described in sources is that the pretext is viewed as a false narrative and the invasion is classified as an act of aggression under international law. Stanford law analysis describes it as a "quite blatant violation of Article 2(4) of the UN charter, which provides that states are not allowed to use force in their international relations".

The European Union and other states reiterated condemnation of what they called Russia's "illegal, unprovoked and unjustified war of aggression, which constitutes a manifest violation of international law, including the UN Charter". Because it violates the Charter and is more than a minor border incursion, legal experts have qualified it as a crime of aggression under Article 8bis(1) of the Rome Statute.

4. United Nations Votes

Russia vetoed a U.N. Security Council resolution that would have called for it to immediately cease its attack.

The U.N. General Assembly then held an emergency special session:

•Resolution ES-11/1 adopted 2 March 2022 deplored Russia's invasion and demanded full withdrawal.

•The initial 2022 vote was 141 to 5, with 35 abstentions, calling on Russia to stop its offensive and withdraw all troops.

•The resolution passed with support of 141 members of the 193-nation body. Subsequent General Assembly resolutions have continued to condemn the invasion and attempted annexations.

In short, Russia argues the operation was necessary for self-defense, protection of Russian speakers and residents of Donetsk/Luhansk, and to counter NATO-related threats. The overwhelming majority of states in the General Assembly, and the dominant view among international lawyers, conclude those arguments do not meet the Charter's narrow exceptions for use of force and therefore consider the invasion unlawful and unjustified under international law.

Citations (2)

1wikipedia.orgEncyclopedias and referencequality 0.83
Legality of the 2022 Russian invasion of Ukraine - Wikipedia
Backs: “Russia's 2022 invasion of Ukraine is assessed differently depending on the framework used — Russia's stated security and humanitarian rationale versus international law — but the prevailing view among states and international legal experts is that it is not justified under international law. 1. Russia's Stated…”
2congress.govGovernment
The Law of War and the Russian Invasion of Ukraine
Backs: “Legal analyses summarize Russia's arguments as centered on three claims: Individual self-defense against a generalized threat posed by the United States, NATO and Ukraine.”