Is Russia's invasion of Ukraine justified?

Whether Russia’s invasion of Ukraine is "justified" is a central point of international conflict, with a stark division between the arguments presented by the Russian government and the overwhelming consensus of international law, the United Nations, and the global community.

1. The Russian Government’s Stated Justifications

When President Vladimir Putin announced the "special military operation" on February 24, 2022, he and other Russian officials presented several key justifications for the military action:

•NATO Expansion and Security Concerns: Russia argues that the eastward expansion of the North Atlantic Treaty Organization (NATO) and the prospect of Ukraine joining the alliance constitute an existential threat to Russian national security. Moscow contends that the West broke post-Cold War promises regarding NATO expansion and that military neutrality for Ukraine is a necessary buffer.

•Protection of Russian-Speakers and the Donbas: Russia claimed that the Ukrainian government was committing "genocide" against Russian-speaking populations in the eastern Donbas region. Just prior to the invasion, Russia officially recognized the self-proclaimed Donetsk and Luhansk People's Republics as independent states and argued that its military intervention was an act of "collective self-defense" under Article 51 of the UN Charter to protect these populations.

•"Demilitarization and Denazification": The Kremlin asserted that Ukraine's government was dominated by far-right and neo-Nazi elements and that the military operation was necessary to "denazify" and "demilitarize" the country to ensure Russia's long-term safety.

2. The International Legal and Global Consensus

The overwhelming consensus among international law scholars, foreign governments, and international bodies (such as the United Nations) is that the invasion is entirely unjustified, unprovoked, and illegal.

•Violation of the UN Charter: International legal experts and the UN state that the invasion is a flagrant violation of Article 2(4) of the UN Charter, which prohibits member states from using or threatening force against the territorial integrity or political independence of any state. This prohibition is a cornerstone of the modern international order.

•Rejection of Russia’s Self-Defense Argument: Legal scholars reject Russia's reliance on Article 51 (self-defense). Under international law, self-defense is only permitted in response to an actual or imminent armed attack. Ukraine had not attacked Russia, nor was there any imminent threat of invasion. Furthermore, the self-proclaimed republics in Donbas were internationally recognized as part of Ukraine, meaning Russia could not legally claim "collective self-defense" on their behalf.

•No Evidence of Genocide: The International Court of Justice (ICJ) addressed Russia's claims of "genocide" in Donbas. In March 2022, the ICJ ordered Russia to immediately suspend its military operations, finding no evidence to support the allegation that Ukraine was conducting a genocide against Russian-speakers.

•The Right to Sovereignty: Ukraine and its allies maintain that as an independent, sovereign nation, Ukraine has the absolute right to determine its own foreign policy, including seeking membership in international organizations like the European Union or NATO, without facing military aggression.

•UN General Assembly Resolutions: The international community has repeatedly condemned the invasion through formal votes. On March 2, 2022, the UN General Assembly adopted a resolution by an overwhelming majority (141 countries in favor, 5 against, and 35 abstaining) condemning the invasion as an act of aggression and demanding that Russia immediately withdraw its forces. Subsequent resolutions have condemned Russia's attempted annexations of Ukrainian territory as illegal under international law.

Summary

While the Russian government frames the invasion as a necessary, preemptive measure to defend its national security against NATO expansion and protect Russian-speaking populations, the international community, international courts, and legal scholars overwhelmingly reject these justifications. From the perspective of international law, the invasion is classified as an illegal act of aggression that violates Ukrainian sovereignty and the foundational principles of the United Nations Charter.

Citations (9)

1inss.org.ilAcademic
inss.org.il
Backs: “When President Vladimir Putin announced the "special military operation" on February 24, 2022, he and other Russian officials presented several key justifications for the military action: NATO Expansion and Security Concerns: Russia argues that the eastward expansion of the North Atlantic Treaty Organization (NATO)…”
2lawfaremedia.orgNews and media
lawfaremedia.org
Backs: “When President Vladimir Putin announced the "special military operation" on February 24, 2022, he and other Russian officials presented several key justifications for the military action: NATO Expansion and Security Concerns: Russia argues that the eastward expansion of the North Atlantic Treaty Organization (NATO)…”
3lawandworld.geNot yet classified
lawandworld.ge
Backs: “NATO Expansion and Security Concerns: Russia argues that the eastward expansion of the North Atlantic Treaty Organization (NATO) and the prospect of Ukraine joining the alliance constitute an existential threat to Russian national security. Moscow contends that the West broke post-Cold War promises regarding NATO…”
4wikipedia.orgEncyclopedias and referencequality 0.83
wikipedia.org
Backs: “Protection of Russian-Speakers and the Donbas: Russia claimed that the Ukrainian government was committing "genocide" against Russian-speaking populations in the eastern Donbas region. Just prior to the invasion, Russia officially recognized the self-proclaimed Donetsk and Luhansk People's Republics as independent…”
5cfr.orgNonprofits and think tanks
cfr.org
Backs: “The overwhelming consensus among international law scholars, foreign governments, and international bodies (such as the United Nations) is that the invasion is entirely unjustified, unprovoked, and illegal. Violation of the UN Charter: International legal experts and the UN state that the invasion is a flagrant…”
6cambridge.orgAcademic
cambridge.org
Backs: “The overwhelming consensus among international law scholars, foreign governments, and international bodies (such as the United Nations) is that the invasion is entirely unjustified, unprovoked, and illegal. Violation of the UN Charter: International legal experts and the UN state that the invasion is a flagrant…”
7emory.eduAcademic
emory.edu
Backs: “This prohibition is a cornerstone of the modern international order. Rejection of Russia’s Self-Defense Argument: Legal scholars reject Russia's reliance on Article 51 (self-defense).”
8google.comCompanies
Current time information in Ukraine.
Backs: “Under international law, self-defense is only permitted in response to an actual or imminent armed attack. Ukraine had not attacked Russia, nor was there any imminent threat of invasion.”
9parliament.ukGovernment
parliament.uk
Backs: “On March 2, 2022, the UN General Assembly adopted a resolution by an overwhelming majority (141 countries in favor, 5 against, and 35 abstaining) condemning the invasion as an act of aggression and demanding that Russia immediately withdraw its forces. Subsequent resolutions have condemned Russia's attempted…”