Global Rearmament Wave: Synchronized Military Buildup Across Non-Belligerents

SIPRI's verdict: Europe rearming faster than at any point since 1953
The 2025 data published April 27 — $2.887 trillion globally — confirms a buildup that the IMF warned in March was already irreversible.

World military spending reached $2.887 trillion in 2025, the 11th straight year of growth. The headline number is bland; the regional split is not. Europe grew 14% — the fastest annual increase since 1953, when NATO was still being built. Germany alone added $24 billion to hit $114 billion, crossing 2% of GDP for the first time since reunification. Spain grew 50% in a single year. Ukraine spent 40% of its GDP on defense — the same share Israel hit during the 1967 war.

The one country that slowed in 2025 was the United States, where Pentagon spending fell 7.5% after Congress let Ukraine aid lapse. That dip is a political artifact, not a strategic decision — Trump's FY2027 request is $1.5 trillion, the largest peacetime defense budget in US history. The $400 billion gap between actual 2025 outlays and the 2027 ask is roughly the size of Germany's entire economy two decades ago. China grew 7.4% to $336 billion by SIPRI's count — its 31st consecutive year of growth, indifferent to Western fiscal cycles.

Europe's acceleration stopped reading as a national story and started reading as a supranational one. On April 20, EU Defence Commissioner Andrius Kubilius proposed multiplying the bloc's seven-year defense budget tenfold — from €13 billion to €131 billion for 2028-2034. Three days later the EU Council finalized a €90 billion Ukraine financing package for 2026-2027, with €28.3 billion earmarked for Ukrainian defense industry and the entire facility collateralized against future Russian war reparations. Hungary's two-month-old veto, originally imposed under Orbán in February, was lifted on April 23 after the April 12 election handed Péter Magyar's Tisza Party a landslide and the Druzhba pipeline (Russian oil to Hungary/Slovakia) restarted the day before the vote.

The UK is the European outlier. The Ministry of Defence in April published a strategic paper positioning nuclear power and the Trident deterrent as the structural pillar of national security, but the same week the Financial Times reported Britain's defense spending share of GDP will fall in 2027-28. PM Keir Starmer says Britain needs to "go faster"; during the Iran war, the first British warship took over three weeks to reach Cyprus. London is committing in rhetoric and deleveraging in real terms — the only major European NATO member doing so.

The IMF warned in March that synchronized European rearmament would produce diminishing economic returns — multipliers fall when everyone spends at once and monetary policy doesn't accommodate. The 2025 data validates the warning quantitatively: France's increase, despite Macron's "war economy" framing, lags most European peers (EPSJ, April 22). The €131B EU MFF and €90B Ukraine package are the supranational answer — Brussels writing the checks that national treasuries can't, because the alternative is unilateral fiscal stress in countries whose public debt has already crossed €3 trillion (Italy, France). By 2028 the debate won't be whether Europe rearms. It will be which treasuries fund it — national or Brussels.