The Russia-Ukraine war has crossed a staggering milestone, with a new CSIS study estimating more than two million total casualties since the full-scale invasion began. Russia alone is believed to have suffered around 1.4 million casualties, yet Moscow continues advancing on key frontlines despite mounting losses. As Ukraine intensifies deep strikes on Russian oil refineries, arms factories and military bases, can Kyiv slow Putin's war machine? Why is Russia still able to recruit enough troops to sustain the offensive?

Russia has borne the heavier toll, with 1.4 million troops killed or wounded since it invaded in February 2022

Russia's invasion of Ukraine has caused more than two million military casualties, with Moscow's forces bearing the brunt of the losses, according to a new study.