Key facts
- Ukraine's General Staff said the 2,500 losses on November 1 were the largest single-day total of the full-scale war.
- The General Staff counts a soldier as lost if killed, captured or wounded severely enough to prevent return to combat.
- The General Staff said Russian forces suffered 54,400 personnel losses in October 2026, the deadliest month since the invasion.
- Russia has suffered 1,592,770 personnel losses in Ukraine since February 24, 2022, as of November 2, the General Staff said.
- The General Staff has not disclosed Ukraine's own losses, citing operational secrecy.
- A January 2026 CSIS report estimated Ukraine suffered 500,000 to 600,000 casualties from February 2022 to December 2025.
Russian forces suffered a record 2,500 personnel losses on November 1, Ukraine's General Staff said on November 2. The General Staff said the figure was the largest single-day total of the full-scale war, exceeding the previous record of 2,250 reported on October 21, 2026.
The General Staff counts a Russian soldier as lost if killed in action, taken prisoner or wounded severely enough to prevent a return to combat. It said drones account for the majority of casualties on both sides, and that Ukrainian units receive additional equipment based on the number of confirmed Russian losses they inflict.
October 2026 was the deadliest month for Russian troops since the February 24, 2022 invasion, with 54,400 personnel losses, the General Staff said. It compared the monthly total to the population of Vorkuta, a city in Russia's northern Komi Republic. Russia has suffered 1,592,770 personnel losses in Ukraine since the invasion began, as of November 2, according to the statement.
The General Staff has not disclosed Ukraine's own losses, citing operational secrecy. A January 2026 report by the Center for Strategic and International Studies estimated Ukraine suffered between 500,000 and 600,000 casualties from February 2022 to December 2025, of which between 100,000 and 140,000 were thought to have been killed in action. The think tank put the Russian-to-Ukrainian casualty ratio at roughly 2.5:1 or 2:1.
As losses mount, Moscow faces pressure to expand mobilization. President Volodymyr Zelensky warned in August that Russia plans to mobilize around 300,000 people after its September election. Moscow announced plans on October 2 to conscript an additional 120,000 people.