Person
General Staff of Ukraine's Armed Forces
Official source of casualty data — in 1 story, 1 quote on record.
What they said verbatim
“Russia has lost around 1,457,740 troops in Ukraine since the beginning of its full-scale invasion on Feb. 24, 2022”
Kyiv Independent · Aug 8 · Ukraine reports Russia's cumulative losses at 1.46M troops since Feb. 2022