Staggering Human Cost of the Russia-Ukraine War: Nearly 2 Million Military Casualties

A recent report by the Center for Strategic and International Studies (CSIS) estimates that the ongoing conflict between Russia and Ukraine has resulted in nearly 2 million military casualties—killed, wounded, or missing—since Russia's full-scale invasion began in February 2022. The report indicates that Russian forces have suffered approximately 1.2 million casualties, including around 325,000 deaths, while Ukrainian forces have incurred between 500,000 and 600,000 casualties, with fatalities estimated at 100,000 to 140,000.

Ukraine - Russia War Causes Nearly 2 Million Military CasualtiesCombined war casualties for Russia and Ukraine could hit 2 million, new report warnsCSIS Report: Russia lost 1.2 million killed and wounded in the war, Ukraine - up to 600 thousandRussia suffers more losses in its war against Ukraine than any other country since WWII — reportRussia bears brunt of nearly two million casualties in Ukraine war, say report

Despite these staggering losses, Russia's territorial gains have been minimal. Since early 2024, Russian forces have advanced at an average rate of just 15 to 70 meters per day, capturing only about 1.5% of Ukrainian territory over the past two years. This slow progress has raised questions about the effectiveness of Russia's military strategy, which has been characterized as a war of attrition that accepts high casualties in hopes of wearing down Ukrainian forces.

War in Ukraine Costs Russia Nearly 1.2 Million Casualties—Worst Losses Since World War II

The war has also severely impacted Russia's economy, pushing it towards becoming a second- or third-rate economic power. The CSIS report highlights declining manufacturing, high inflation, and labor shortages, which contributed to a mere 0.6% economic growth in 2025. The conflict has not only strained current economic conditions but also jeopardized future prospects, as military expenditures do not contribute to long-term welfare or capital formation.

A generation lost: Russia's 1.2mn casualties in Ukraine war most for any country since World War 2

Ukrainian President Volodymyr Zelenskyy has emphasized the need for increased pressure on Russia, stating that the war's toll on Russian forces is unsustainable. He noted that Russian casualties reached about 35,000 in December 2025 alone, underscoring the effectiveness of Ukraine's drone warfare capabilities. Conversely, Kremlin spokesperson Dmitry Peskov dismissed the CSIS report as unreliable, insisting that only the Russian Ministry of Defense is authorized to disclose casualty figures.

Russia faces a heavy price for limited gains in Ukraine war, death toll estimates suggestRussian and Ukrainian military casualties in war nearing 2m, study finds'Impossible to ban grief' — how Russia tries and fails to hide its casualties in UkraineA new report warns that combined war casualties in Russia’s war on Ukraine could soon hit 2 million

Critics of the Russian military strategy argue that the high casualty rates reflect poor tactics and low morale among troops. Analysts have pointed out that the attritional nature of the conflict poses significant challenges for Ukraine as well, given its smaller population and military capacity to absorb prolonged losses. The report suggests that both sides are struggling to maintain troop levels, with Russia resorting to recruiting from other regions, including Asia and South America.

Russia’s 1.2 million casualties in Ukraine dwarf all its conflicts since World War II, report says

While the CSIS report provides a comprehensive overview of military casualties, both Russia and Ukraine have historically underreported their losses. The last official Russian casualty figures were released in September 2022, stating just under 6,000 deaths, a number widely considered to be significantly lower than actual losses. Ukrainian estimates also vary, with Zelenskyy previously stating that around 46,000 Ukrainian soldiers had died, a figure analysts believe is likely underestimated.

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As the war continues, diplomatic efforts to reach a resolution remain ongoing, with recent trilateral talks involving the U.S., Russia, and Ukraine. However, significant obstacles persist, particularly regarding territorial control and the demands of both sides. The CSIS report concludes that without increased pressure from Western nations, Russian President Vladimir Putin is unlikely to agree to a peace deal, potentially prolonging the conflict and its devastating human cost.

Russia’s 1.2 million casualties in Ukraine dwarf all its conflicts since World War II, report says