Russian Cumulative Losses Reach ~1,356,940 Personnel — 173 Combat Engagements on Day 1,551

As of May 25, 2026 — Day 1,551 of Russia's full-scale invasion — Ukraine's General Staff reported total Russian combat losses since February 24, 2022 reached approximately 1,356,940 personnel, with approximately 1,020 losses recorded in the May 25 reporting period. Equipment losses on May 25 included 1,924 UAVs and 47 artillery systems. Ukrainian forces recorded 173 combat engagements along the front line on May 25, with the heaviest fighting in the Pokrovsk sector (32 Russian assaults) and the Huliaipole axis. Russian forces advanced in the Kostyantynivka-Druzhkivka area; Ukrainian forces advanced in the Hulyaipole direction. The frontline data comes against the backdrop of ISW noting that Russian forces suffered a net loss of 69 square miles of Ukrainian territory in April–May 2026 — the first net Russian territorial loss since August 2024. April 2026 saw 35,203 Russian losses — the sixth consecutive month losses exceeded recruitment capacity, with Russia continuing to compensate through forced mobilization and financial incentives.