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Arms and Aerospace 2026: How Rising Defence Budgets Are Fueling a Multi Year Boom

global defence spending boom

World military expenditure, by region, 1988–2024

Global military spending is entering its sharpest upcycle since the Cold War. Global military spending is entering its sharpest upcycle since the Cold War. This global defence spending boom is reshaping how nations rebuild, rearm and modernize their defence capabilities in an era of contested borders and strategic uncertainty.

In FY2024, global defence expenditure reached USD 2.72 trillion, a real increase of 9.4 percent from the previous year which is the steepest rise since 1987. By FY2025, spending is projected to cross USD 2.8 trillion marking two consecutive years of accelerated military outlay.

This surge reflects a structural shift. Defence is now a permanent pillar of national strategy and industrial policy. Aerospace and defence companies are positioned to benefit from this multi year capital spending boom supported by predictable long term budgets and rapid technology modernization.

The New Age of Rearmament: Global Defence Spending Boom and the 2026 Outlook

Global Defence Spending Boom and the 2026 Outlook

The Russia Ukraine conflict and rising Indo Pacific tensions have triggered a global rethink of military preparedness. Countries are not simply replenishing stockpiles. They are modernizing entire ecosystems including satellites, cyber networks, stealth aircraft and advanced electronics.

Key drivers include:

  • Post-conflict recalibration: Governments are shifting from paper deterrence to capability-based deterrence.
  • Under-investment catch-up: Many NATO states, having spent below the 2% GDP threshold for years, are rapidly making up lost ground.
  • Industrial sovereignty: Procurement increasingly supports local manufacturing and technology independence.

The result is a synchronized global arms renewal, with Europe leading, Asia-Pacific accelerating, and the U.S. maintaining its technological edge.

Europe’s Historic Rearmament Cycle

Europe’s defence landscape has transformed dramatically in three years. What began as an emergency response to Ukraine has evolved into a decade-long modernization agenda.

  • Germany: FY2025 defence budget of €95 billion (+16% YoY), financed by a €100 billion special fund; projected to reach €162 billion by FY2029.
  • Poland: Targeting 4% of GDP in FY2025, investing in F-35 fighters, Abrams tanks, and HIMARS launchers.
  • Denmark: Allocating 3.2% of GDP by FY2025, focused on missile and radar systems.
  • France & UK: Investing in sixth-generation fighter programs (FCAS, Tempest) and expanding electronics capabilities through Thales and BAE Systems.

For Europe’s industrial base, this is a renaissance. Order books for Rheinmetall, Leonardo, Airbus Defence, and BAE Systems are at record highs. Rheinmetall is scaling ammunition output by 30% through FY2026, while Leonardo plans 40 satellite launches by 2028, reinforcing Europe’s autonomous space defence capability.

Asia-Pacific: The Second Growth Engine

Asia’s build-up is strategic, a slower but sustained arms race. Combined regional defence budgets could surpass US$550 billion by FY2026, growing at 7–8% annually.

  • China: FY2025 allocation of US$247 billion, up 7.2% YoY.
  • India: Budgeted US$74 billion for FY2025 (+12%), with nearly one-third for capital procurement.
  • Japan: FY2025 budget of US$60 billion (+15%), as part of a roadmap to reach 2% of GDP by FY2027.
  • Australia & South Korea: Accelerating drones, long-range missiles, and hypersonic systems programs.

Asia-Pacific now complements Europe as a core growth engine for aerospace and defence investment.

Where the Money Is Flowing

The share of world military expenditure of the 15 countries with the highest spending in 2024

The share of world military expenditure of the 15 countries with the highest spending in 2024

Unlike past cycles focused on tanks and artillery, the FY2025–FY2030 wave is increasingly technology-led:

Ground Systems & Ammunition: NATO and European nations rebuilding land forces; Rheinmetall, BAE, and Saab increasing armoured vehicle and artillery production. Orders likely sustained through FY2027.

Defence Electronics & Systems Integration: Global spending expected to grow 8–9% CAGR through FY2028, driven by radar, communications, and surveillance. Thales, L3Harris, and Leonardo are well-positioned.

Satellites & Space Defence: FY2025 satellite defence capex estimated at US$30 billion, potentially rising to US$45 billion by FY2028 for LEO ISR constellations and communications networks. Airbus Defence, Northrop Grumman, and Leonardo are key beneficiaries.

Aerospace Platforms & UAVs: Next-generation fighters, airlift systems, and UAVs strengthen order books. Lockheed Martin projects US$160 billion backlog by FY2025, Airbus Defence reports 18% YoY order backlog growth.

The Investment Thesis A Multi Year Capex Supercycle

For institutional investors, defence spending is now structural, not cyclical. Sovereign urgency, industrial localization, and technological complexity ensure contracted revenue visibility.

  • Major defence primes guiding 8–10% EPS growth CAGR through FY2028.
  • Sector valuations are 15–18x forward earnings, below historical highs.
  • Free cash flow yields remain attractive with long-term order visibility.

Europe offers compelling exposure via the European Defence Fund and NATO spending. The U.S. maintains momentum through its FY2025 National Defense Authorization Act, emphasizing hypersonics, AI warfare, and cyber systems.

Key Thematic Exposure Areas

Investors should focus on four structural growth segments:

Dual-Use Aerospace Technologies: Civil-military convergence in UAVs, propulsion, and advanced materials offering resilience and revenue diversification.

Space & Satellite Defence Systems: High-margin growth anchored by sovereign constellations and ISR networks.

Electronic Warfare & Command-Control Systems: Recurring upgrade cycles fueled by AI-enabled situational awareness.

Armoured Platforms & Ammunition Replenishment: Backlog-driven stability from NATO and allied inventories.

Risks to Consider

Despite challenges, risks remain:

  • Inflation-linked manufacturing costs and supply-chain bottlenecks.
  • Fiscal discipline concerns, potentially triggering budget reallocations beyond FY2026.
  • Geopolitical volatility, where sudden escalation or de-escalation can delay procurement cycles.
  • Currency fluctuations, affecting exporters’ earnings.

These are largely cyclical; the structural growth story remains intact.

The Bottom Line A Structural Expansion Story in Numbers

aerospace spending 2025

The scale and momentum of this rearmament cycle are unmistakable:

  • Global military expenditure (FY2024): ~US$2.72 trillion
  • Estimated FY2025 outlay: exceeding US$2.8 trillion, a 3.2% YoY growth.
  • Projected FY2028 total: approaching US$3.0 trillion
  • Europe’s FY2025 rearmament budgets: rising ~13% year-on-year, led by Germany, Poland, and the UK
  • Asia-Pacific defence allocation (FY2026E): surpassing US$550 billion, reflecting sustained 7–8% CAGR

Together, these figures reinforce the view that global defence and aerospace spending is not a transient surge, but a long-duration capital investment cycle, offering investors durable earnings visibility and structural compounding potential through the decade.

By FY2026, the “aerospace defence spending boom” will have reshaped global industrial priorities. For investors, it represents a once-in-a-decade opportunity: a sector backed by government budgets, fuelled by technology, and supported by long-term global necessity.

In a world that has rediscovered the economics of deterrence, the arms and aerospace super-cycle has only just begun.

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Author

Abhishek Rai

FAQs

Why are global defence budgets rising so sharply in 2024 and 2025?

Global defence spending is increasing at the fastest pace since the Cold War due to escalating geopolitical tensions including the Russia Ukraine conflict and Indo Pacific security concerns. Many NATO countries are correcting decades of under investment and aiming to meet or exceed the benchmark of two percent of GDP. Governments are linking defence procurement to industrial policy prioritizing local manufacturing and technological sovereignty. This includes rapid acceleration in satellites, cyber systems and unmanned platforms. Collectively these factors have triggered a multi year global rearmament cycle.

Which regions and sectors are set to benefit the most from the aerospace and defence boom?

Europe and Asia Pacific are the primary growth engines. Europe is experiencing historic rearmament with substantial increases in budgets across Germany, Poland, Denmark, France and the United Kingdom. Asia Pacific nations including China, India, Japan and South Korea are rapidly modernizing their air, naval and missile capabilities.
Across sectors investors should focus on space and satellite defence systems, electronic warfare and command control systems, armoured platforms and ammunition replenishment and dual use aerospace technologies.

What key risks should investors consider in aerospace and defence?

Key risks include manufacturing cost inflation, supply chain disruptions particularly in semiconductors, geopolitical volatility that may delay procurement, budget reallocation in selected countries and currency fluctuations that may affect exporters. These risks are largely cyclical while the long term structural momentum remains strong.

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