U.S. Intelligence Assesses Ukraine War Has Cost Russia 315,000 Casualties

A Ukrainian soldier inspects a damaged Russian military helicopter on Snake Island, in the Black Sea, on December 18, 2022.

A declassified U.S. intelligence report assessed that the Ukraine war has cost Russia 315,000 dead and injured troops, or nearly 80 percent of the personnel it had when the conflict began, a source familiar with the intelligence said on December 12. The report also assessed that Moscow's losses in personnel and armored vehicles to Ukraine's military have set back Russia’s military modernization by 18 years, the source said.