Military aid to Ukraine during the Russo-Ukrainian war
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Many entities have provided or promised military aid to Ukraine during the Russo-Ukrainian War, particularly since the 2022 Russian invasion of Ukraine. This includes weaponry, equipment, training, logistical support, as well as financial support, unless earmarked for humanitarian purposes. Weapons sent as a result of cooperation between multiple countries are listed separately under each country.
The aid has mostly been coordinated through the Ukraine Defense Contact Group, whose 57 member countries include all 32 member states of NATO. The European Union co-ordinated weapons supplies through its institutions for the first time. Due to the Russian invasion, several donor countries, including Germany and Sweden, overturned their national policies regarding the provision of offensive military aid.
By March 2024, the majority of Western governments had pledged more than $380 billion worth of aid to Ukraine since the invasion, including nearly $118 billion in direct military aid from individual countries. As of December 2024, European countries have provided €132 billion in aid (military, financial, and humanitarian), and the United States has provided €114 billion. Most of the US funding supports American industries that produce weapons and military equipment.
Fearing escalation, NATO states have hesitated to provide heavier and more advanced weapons to Ukraine or have imposed limits such as forbidding Ukraine from using them to strike inside Russia. Since June 2024, they have lifted some of these restrictions, allowing Ukraine to strike Russian military targets near the border in self-defence.
According to defence expert Malcolm Chalmers, at the beginning of 2025, the US provided 20% of all military equipment Ukraine was using, with 25% supplied by Europe and 55% produced by Ukraine. However, the 20% provided by the US "is the most lethal and important."
The Russian government threatened retaliation against countries supplying military aid to Ukraine, and said it meant NATO was waging a "proxy war" against Russia. However, Russia's government has not followed through on its threats, despite most of its "red lines" being crossed. Russia's president Vladimir Putin said that if military aid stopped, Ukraine would not survive for long. In December 2023, the Center for Strategic and International Studies wrote that if the United States stopped sending military aid, European countries would be unable to provide enough to prevent Ukraine's frontline from collapsing.