Russian forces gained 4,168 square kilometers, largely comprised of fields and small settlements in Ukraine and Kursk Oblast, at a reported cost of over 420,000 casualties in 2024. Ukrainian Commander-in-Chief Colonel General Oleksandr Syrskyi stated on December 30 that Russian forces suffered 427,000 casualties in 2024. ISW has observed geolocated evidence to assess that Russian forces advanced 4,168 square kilometers in 2024, indicating that Russian forces have suffered approximately 102 casualties per square kilometer of Ukrainian territory seized. ISW previously observed that Russian forces gained 2,356 square kilometers in exchange for an estimated 125,800 casualties during a period of intensified Russian offensive operations in September, October, and November 2024. Russian forces made 56.5 percent of their 2024 territorial gains during the September through November 2024 period. Russian Security Council Deputy Chairperson Dmitry Medvedev claimed on December 24 that 440,000 recruits signed military service contracts with the Russian Ministry of Defense (MoD) in 2024, suggesting that Russia is likely recruiting just enough military personnel to replace its recently high casualty rates one for one.
Russian advances have slowed in December 2024, however. ISW has observed geolocated evidence to assess that Russian forces gained 593 square kilometers or 18.1 square kilometers per day in December 2024, while the number of daily Russian casualties in December 2024 remained similar to the estimated daily casualty rate in November 2024. The Ukrainian General Staff reported a daily Russian personnel casualty average of 1,585 in December 2024, marking a fourth all-time high of Russia's daily casualty rate following reports that Russia's average daily Russian personnel casualty reached a new all-time high of 1,523 casualties per day in November 2024. Russian forces were advancing at the notably higher rate of 27.96 square kilometers per day in November 2024. Syrskyi stated on December 30 that Russian forces have suffered 1,700 casualties per day over the past week (since December 23), indicating the Russian forces may have suffered an even higher casualty rate in the last few weeks of 2024 even as Russian advances slowed. The Russian military command likely tolerated record levels of personnel casualties from September through November 2024 to facilitate larger territorial gains, but it remains unclear if the Russian military command will be willing to sustain such casualties if Russian forces' rate of advance continues to decline as Russian forces continue to advance on more heavily defended settlements such as Pokrovsk.
Ukrainian forces have yet to stop Russian forces from advancing in their priority sectors, however, and Western aid remains critical to Ukraine's ability to stabilize the frontline in 2025. Ukrainian defenders have largely stalled Russian advances near Chasiv Yar and Toretsk, but Russian forces continue to make gradual, grinding advances in the Pokrovsk, Kurakhove, and Velyka Novosilka directions. Ongoing Ukrainian manpower constraints and morale issues are also creating vulnerabilities in Ukraine's defensive lines, and Ukrainian officials must address these issues and steel defenders against Russian infantry assaults in eastern and southern Ukraine. Russian forces, and Russian President Vladimir Putin, are currently operating under a theory of victory that assumes that Russian forces can indefinitely advance in Ukraine but fails to account for the possibility that Ukrainian forces could inflict losses sufficient to stall or stop future Russian offensive operations. Ukrainian forces, with support from Ukraine's Western allies, must therefore work to integrate Ukrainian drone operations, sufficiently resourced artillery and long-range strike capabilities, and committed Ukrainian infantry units to defend against Russian advances and undermine Putin's theory of victory in 2025.
Key Takeaways:
- Russian forces gained 4,168 square kilometers, largely comprised of fields and small settlements in Ukraine and Kursk Oblast, at a reported cost of over 420,000 casualties in 2024.
- The Russian military command largely prioritized efforts to seize the remainder of Donetsk Oblast and establish a buffer zone in northern Kharkiv Oblast in 2024 but failed to accomplish these goals.
- Russian forces have seized four mid-sized settlements - Avdiivka, Selydove, Vuhledar, and Kurakhove - in all of 2024, the largest of which had a pre-war population of just over 31,000 people.
- Russian forces would require just over two years to seize the remainder of Donetsk Oblast at their 2024 rates of advance, assuming that all their advances were confined to Donetsk, that they can seize large urban areas as easily as small villages and fields, and that the Ukrainians do not conduct any significant counterattacks in Donetsk.
- Ukrainian forces have yet to stop Russian forces from advancing in their priority sectors, however, and Western aid remains critical to Ukraine's ability to stabilize the frontline in 2025.
- Russian President Vladimir Putin officially declared 2025 the "Year of the Defender of the Fatherland" during his New Year's address on December 31 - signaling the Kremlin's continued efforts to militarize Russian society and maintain regime stability by appeasing the growing Russian veteran community.
- Ukrainian naval drones reportedly downed a Russian Mi-8 helicopter near occupied Cape Tarkhankut, Crimea, reportedly marking the first time that a naval drone has shot down an air target.
- Ukrainian forces struck the Yarsevskaya oil depot in Smolensk Oblast and a building used by the Russian military in Lgov, Kursk Oblast on December 30 and 31.
- Ukrainian forces recently advanced near Kreminna and in Kursk Oblast, and Russian forces recently advanced near Kreminna, Siversk, Chasiv Yar, Pokrovsk, and Kurakhove.
- The Russian government will deprive prisoners who volunteer to fight in Ukraine of the one-time enlistment bonus starting January 1, 2025, marking another instance of Russia trying to cut the mounting short- and long-term costs of war.
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