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War in Ukraine

Why Sweden Became One of Ukraine’s Biggest Military Supporters

Why Sweden Became One of Ukraine’s Biggest Military Supporters

For more than two centuries, Sweden remained militarily non-aligned. Russia’s aggression changed that almost overnight. Today, Sweden is one of Kyiv’s largest military backers, has joined NATO, and is even adapting its own armed forces based on lessons learned from Ukraine’s battlefield.

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Since Russia launched its full-scale invasion, Sweden has undergone one of the most dramatic security policy shifts in Europe. Twenty-two military aid packages later, Stockholm has committed approximately SEK 128 billion (€12 billion) to Ukraine and transformed its relationship with Kyiv into a close partnership.

How Russia’s war ended Sweden’s neutrality

Following the dramatic deterioration of Europe’s security environment after Russia’s full-scale invasion of Ukraine, Sweden abandoned more than 200 years of military non-alignment, joining NATO on March 7, 2024. It also led Stockholm to make a historic decision: for the first time since the Soviet Union’s attack on Finland in 1939, Sweden sent weapons directly to a country engaged in an ongoing international armed conflict, recognizing that Ukraine’s security is closely tied to its own.

Ukrainian soldiers fire with the Archer Artillery System on Russian position on January 30, 2024 in Donetsk region, Ukraine. Ukraine received 8 Archer Artillery System from Sweden as part of the military assistance needed to resist the Russian invasion. Photo by Dmytro Larin/Global Images Ukraine via Getty Images
Ukrainian soldiers fire with the Archer Artillery System on Russian position on January 30, 2024 in Donetsk region, Ukraine. Ukraine received 8 Archer Artillery System from Sweden as part of the military assistance needed to resist the Russian invasion. Photo by Dmytro Larin/Global Images Ukraine via Getty Images

In a 2022 government report, Sweden described Russia’s full-scale invasion as a structural and long-term deterioration of Europe’s security environment, not only a war against Ukraine. For Stockholm, Russia’s aggression made clear that instability in Ukraine directly affects security in Sweden’s own neighborhood, particularly the Baltic Sea region.

In this context, support for Ukraine became more than an act of solidarity. It became part of Sweden’s broader effort to deter Russia, defend the European security order, and prevent Moscow from successfully using military force to redraw borders.

“We don’t yet know when the war will end, but how it ends will affect Sweden’s security for at least a generation to come. That’s why our continued support is so crucial,” Prime Minister Ulf Kristersson said on the fourth anniversary of Russia’s large-scale aggression.

How much military aid has Sweden given Ukraine?

Twenty-two military aid packages later, Sweden has committed approximately SEK 128 billion (approximately €12 billion) to Ukraine. Relative to the size of Sweden’s economy, that amounts to nearly 2% of its GDP—making Stockholm Europe’s fifth-largest military donor by GDP, despite ranking ninth in absolute terms.

Swedish Prime Minister Ulf Kristersson and Ukrainian President Volodymyr Zelenskyy walk past a Gripen fighter jet after they delivered a joint press conference in Linköping, Sweden, on October 22, 2025. Photo by Jonathan Nackstrand/AFP via Getty Images)
Swedish Prime Minister Ulf Kristersson and Ukrainian President Volodymyr Zelenskyy walk past a Gripen fighter jet after they delivered a joint press conference in Linköping, Sweden, on October 22, 2025. Photo by Jonathan Nackstrand/AFP via Getty Images)

From Helmets to Gripens

What began with helmets and bulletproof vests has become one of Europe’s most comprehensive military support programs. Sweden has since supplied CV90 infantry fighting vehicles, Stridsvagn 122 tanks, Archer artillery systems, Robot System 70 air defense, Combat Boat 90s, Anti-Ship Missile System 17, and ASC 890 airborne surveillance aircraft.

The latest, 22nd package, the largest Swedish military aid package to Ukraine since the beginning of Russia’s full-scale invasion, marks another major step. Stockholm announced its intention to donate up to 16 Gripen C/D fighter jets, which could help Ukraine counter Russian guided aerial bombs and strengthen protection for Ukrainian cities.

“Ukrainian forces continue to demonstrate exceptional resilience, skills, and determination in defending your country and our values,” Swedish Prime Minister Ulf Kristersson said.

Drones, long-range strikes, and Ukraine’s defense industry

As the war has changed, so has Sweden’s support. Recent packages have moved beyond conventional weapons to include drones, electronic warfare systems, drone-detection sensors, satellite communications, long-range strike capabilities, and investment in Ukraine’s own defense industry.

Government materials from 2026 state that Sweden is providing financial support to increase the production of drones and long-range missiles inside Ukraine. Sweden is also part of the international Drone Coalition for Ukraine. In May 2025, Stockholm allocated SEK 300 million (€27 million) to help procure unmanned aerial vehicles requested by the Ukrainian Armed Forces. In the same package, Sweden committed more than SEK 1 billion (€90 million) for the multilateral procurement of air defense systems and long-range drones capable of striking targets deep behind Russian lines.

Ukrainian drone operators training together with Swedish forces during exercise Aurora 26. Photo by Swedish Armed Forces
Ukrainian drone operators training together with Swedish forces during exercise Aurora 26. Photo by Swedish Armed Forces

How Ukraine is helping modernize Sweden’s military

Sweden’s partnership with Ukraine now goes beyond weapons and funding. It also includes battlefield experience.

In 2026, Ukrainian drone teams joined Sweden’s Aurora 26 military drills to share lessons learned from more than four years of war. During the exercise, Ukrainian operators tested Sweden’s electronic warfare and radio defense systems, supported a mechanized assault by a Swedish tank brigade, and worked in both offensive and defensive scenarios.

The symbolism was hard to miss. Just a few years ago, Ukrainian soldiers arrived at NATO training grounds as students. In 2026, they returned as instructors, teaching Swedish troops how to fight and survive on a battlefield transformed by drones.

For Stockholm, supporting Ukraine is no longer simply about helping a partner at war. It is about preparing Sweden for the security challenges of tomorrow.

“How the war ends will affect security in Europe for at least a generation going forward. For this reason, support to Ukraine continues to be the Government’s foremost foreign policy priority,” said Sweden’s Foreign Affairs Minister Malmer Stenergard in February during the Government’s 2026 Statement of Foreign Policy.

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