Rank #35 · Europe
Denmark has undergone one of the fastest defense spending accelerations in NATO's history, reaching 3.3% of GDP ($14.9B) in 2025 — from 1.65% in 2023 — driven by a DKK 50 billion Acceleration Fund and a comprehensive Arctic security package worth DKK 27.4 billion announced in October 2025. The Greenland dimension has become Denmark's defining strategic challenge, with F-35s patrolling the island and Operation Arctic Endurance launched in January 2026.
Denmark's 2025 Finance Act set a base MoD appropriation of DKK 58.5 billion (~$8.3B). On top of this, a government-wide Acceleration Fund of DKK 50 billion was established in late 2024, channeling rapid-procurement spending across 2025 and 2026 for ammunition stockpiling, drone capability, and infrastructure hardening. An October 2025 Arctic defense package adds DKK 27.4 billion over the 2026-2030 period, covering two new Arctic patrol vessels, an Arctic command HQ, undersea cable infrastructure, and maritime patrol aircraft. NATO's new 3.5% core-defense target (plus 1.5% for defense-related infrastructure) from the Hague Summit in June 2025 prompted Denmark to model capacity pressures in its economy from sustained elevated spending.
The Royal Danish Army, Navy, and Air Force total approximately 20,000 active personnel, complemented by a 53,000-strong Home Guard and reserve structure. The Air Force operates 27 F-35As on order from the initial contract (deliveries ongoing through 2026) and approved an additional 16 jets in October 2025, bringing the eventual fleet to 43. Danish F-35s flew the first national contribution to NATO's Arctic Sentry activity over Greenland in early 2026 and conducted joint training with a French MRTT tanker over southeast Greenland. The Army contributed to NATO's multinational battalion in the Baltic states (EFP Estonia). Denmark is expanding dog-sled patrol capacity in Greenland from 12 teams to more.
Denmark is a modest defense exporter but punches above its weight in avionics and electro-optics through Terma, which produces the AN/ALQ-213 electronic-warfare pod and weapon-delivery computers for the F-16 and F-35 programs. Systematic military surplus transfers to Ukraine — including Leopard 1 tanks, CAESAR howitzers, and in 2023 the transfer of 19 F-16AM/BMs to the Ukrainian Air Force (delivered 2024) — demonstrate Denmark's willingness to deplete own inventories for allied security. The 2025-2026 Acceleration Fund prioritizes ammunition replenishment and accelerated domestic-depot construction. Denmark maintains a small but capable shipbuilding sector (Odense Steel Shipyard) for naval vessels.
Denmark has no active conflict commitments but faces an acute sovereign-integrity challenge over Greenland following repeated statements by US President Trump in late 2024 and early 2025 expressing interest in acquiring the territory. This prompted the DKK 27.4 billion Arctic package (October 2025) and Operation Arctic Endurance (launched January 15, 2026 — a year-long series of drills in and around Greenland with allied participation from France, Germany, Sweden, and Norway). Denmark also participates in Baltic air-policing, contributes to NATO's EFP in Estonia, and previously donated F-16s to Ukraine.
On October 11, 2025, Denmark announced a $4.26B Arctic defense package including two additional Arctic vessels, a new Arctic command HQ, and 16 additional F-35As (bringing the fleet to 43). Operation Arctic Endurance launched January 15, 2026, a year-long pan-Arctic deterrence exercise series. In January 2026, Danish F-35As and a French MRTT tanker conducted joint training over southeast Greenland — the first NATO Arctic Sentry national contribution by Denmark. SIPRI confirmed Denmark's 2025 spending at $14.9B (3.3% of GDP) in the April 27, 2026 release, one of the largest YoY percentage jumps among NATO members.
Three drivers: Russia's 2022 invasion of Ukraine triggered a broad re-assessment; US pressure on NATO allies to reach 2%+ targets; and acute concern about Greenland following Trump's repeated statements about US acquisition. The DKK 50B Acceleration Fund (2025-2026) and the $4.26B Arctic package represent a multi-year catch-up after years near 1.3% of GDP.
Denmark ordered 27 F-35As initially (deliveries running through 2026) and approved 16 more in October 2025, bringing the total order to 43. Denmark forward-bases some jets at US training locations for continued pilot conversion.
A year-long series of military exercises launched January 15, 2026, centered around Greenland and involving air, sea, and land activities with allies including France, Germany, Sweden, and Norway. It was announced in response to US statements about acquiring Greenland and is designed to demonstrate Danish and allied military presence and capability in the High North.
Yes. Denmark transferred 19 F-16AM/BM Fighting Falcons to Ukraine in 2023-2024, along with Belgium and the Netherlands as part of a coordinated NATO-facilitated transfer. Denmark also contributed Leopard 1 tanks, CAESAR howitzers, and ammunition to Ukraine's defense.