Is Russia's invasion of Ukraine justified?

The question of whether Russia’s invasion of Ukraine is justified is a subject of profound global division, involving starkly contrasting legal, geopolitical, and historical arguments.

While the Russian government has presented several justifications for its military actions, the overwhelming consensus of the international community, international legal bodies, and Ukraine is that the invasion is an unprovoked, illegal act of aggression.

The primary arguments and viewpoints surrounding the conflict are detailed below.

Arguments and Justifications Presented by Russia

The Russian government, led by President Vladimir Putin, has articulated several justifications for what it officially terms a "special military operation":

Russia argues that the eastward expansion of the North Atlantic Treaty Organization (NATO) poses an existential threat to its national security. Moscow contends that Western powers reneged on verbal promises made at the end of the Cold War not to expand NATO toward Russia's borders. Russia views the prospect of Ukraine joining the military alliance as a "red line" that would place hostile military infrastructure directly on its border.

President Putin stated that a primary goal of the military action was to "demilitarize" and "denazify" Ukraine. The Kremlin claimed that far-right nationalist groups held undue influence over the Ukrainian government and military, posing a threat to Russia and to ethnic Russians within Ukraine.

Russia claimed that the Ukrainian government was committing "genocide" and systemic human rights abuses against Russian-speaking populations in the eastern Donbas region, which had been engaged in a localized conflict with Kyiv since 2014.

Prior to the invasion in February 2022, Russia officially recognized the independence of the breakaway Donetsk and Luhansk "People's Republics" in eastern Ukraine. Russia argued that its invasion was legally justified under Article 51 of the UN Charter, which permits individual or collective self-defense, claiming it was intervening to defend these newly recognized entities from Ukrainian aggression.

Arguments and Perspectives of Ukraine and the International Community

The government of Ukraine, the United Nations, Western nations, and the vast majority of international law scholars strongly reject Russia's justifications, viewing the invasion as entirely unjustified:

The international consensus is that Russia’s invasion is a flagrant violation of Article 2(4) of the UN Charter, which requires member states to refrain from the "use of force against the territorial integrity or political independence of any state". Legal scholars point out that Ukraine is a sovereign, independent state whose borders were explicitly recognized by Russia in the 1994 Budapest Memorandum.

International law experts and the UN state that Russia’s invocation of Article 51 has no legal basis. Ukraine had not launched or threatened an armed attack against Russia. Furthermore, Donetsk and Luhansk were legally part of Ukraine, meaning Russia could not claim "collective self-defense" with entities that were not internationally recognized sovereign states.

Independent international observers, including the United Nations High Commissioner for Human Rights (OHCHR) and the Organization for Security and Co-operation in Europe (OSCE), found no evidence to support Russia’s claims of "genocide" against Russian speakers in the Donbas. In March 2022, the International Court of Justice (ICJ) ordered Russia to suspend its military operations, noting it had seen no evidence to support Russia's allegations of genocide. Additionally, historians and political analysts reject the "denazification" narrative, noting that while far-right groups exist in Ukraine (as they do in many countries), they have negligible electoral support and do not control the Ukrainian state, which is led by a democratically elected, Jewish president, Volodymyr Zelenskyy.

Ukraine and its supporters argue that as a sovereign nation, Ukraine has the inherent right to determine its own foreign policy, security alliances, and democratic path, including pursuing membership in the European Union or NATO, without requiring permission from a foreign power.

The United Nations General Assembly has repeatedly passed resolutions by overwhelming majorities condemning the invasion, demanding the immediate and unconditional withdrawal of Russian forces, and reaffirming the sovereignty and territorial integrity of Ukraine within its internationally recognized borders.

Conclusion

From the perspective of the Russian government, the invasion is framed as a preemptive, defensive measure to secure its borders against NATO encroachment and protect Russian-aligned populations. However, according to international law, the United Nations, and the global consensus, the invasion is considered an unprovoked, illegal war of aggression that undermines the foundational principles of state sovereignty and global stability.