Sonobuoy market seen nearly doubling by 2035

The global sonobuoy market is projected to rise from $516.3 million in 2025 to $987.1 million by 2035, driven by naval modernization, rising submarine activity, and new commercial uses. Digital signal processing, AI, and unmanned platforms are reshaping how militaries and industry deploy underwater sensing systems.

Why it matters: - The sonobuoy market is becoming more central to anti-submarine warfare, underwater surveillance, and ocean monitoring as navies and commercial operators look for better real-time sensing. - Growth in defense spending and maritime security demand is expanding the addressable market beyond traditional military buyers. - The market’s forecast nearly doubles in size over the next decade, signaling sustained procurement and technology upgrades.

What happened: - The global sonobuoy market is projected to grow from $516.30 million in 2025 to $987.10 million by 2035. - The forecast implies a 6.70% compound annual growth rate from 2026 to 2035. - North America held 38.9% of the market in 2025. - Europe was valued at $126.50 million in 2025. - Asia-Pacific is projected to post the fastest growth at 12.4% CAGR during 2026–2035. - South America had a market size of $41.30 million in 2025. - The Middle East and Africa region is expected to grow at 7.20% CAGR. - The market covers active, passive, and special-purpose sonobuoys. - The market also breaks out by Size A and Size B, plus free-fall, cartridge/pneumatic launch, and spring launch deployment methods.

The details: - Sonobuoys are expendable sonar systems deployed from aircraft or naval platforms. - Sonobuoys detect, classify, and track underwater objects by transmitting acoustic signals and relaying data to operators in real time. - Digital sonobuoys are replacing analog systems because they improve acoustic performance and signal clarity. - Digital systems also handle larger data volumes and integrate more easily with command-and-control networks. - Unmanned aerial systems and unmanned surface vessels are emerging as deployment platforms. - Edge AI is moving onto the buoy itself, cutting latency and bandwidth needs. - Multi-static sonar networks are gaining traction by linking multiple sonobuoys to improve range and detection accuracy. - Commercial use cases are expanding in offshore energy exploration, seismic surveys, underwater mapping, environmental monitoring, and oceanographic research. - The defense segment remains the largest application area.

Between the lines: - Rising submarine fleets in Asia-Pacific and Europe are pushing demand for better underwater detection tools. - Multi-year defense procurement programs are giving manufacturers more predictable demand. - NATO spending commitments and the AUKUS undersea surveillance push are reinforcing demand in Europe and the Indo-Pacific. - The shift to autonomous and networked systems suggests future competition will hinge on software, data processing, and platform integration as much as hardware. - Commercial revenue opportunities could help suppliers reduce dependence on defense budgets.

What's next: - Governments are likely to keep prioritizing underwater surveillance as maritime tensions remain elevated. - Manufacturers are expected to keep investing in digital signal processing, AI-enabled analytics, and unmanned deployment systems. - Autonomous undersea surveillance networks should become a bigger opportunity as operators seek broader coverage and faster decision-making. - Offshore energy projects in emerging markets could add another source of demand. - On-buoy edge AI and data monetization may create new business models for suppliers and service providers.

The bottom line: - The sonobuoy market is shifting from a niche defense category into a broader underwater sensing business, with digital, AI-enabled and autonomous systems driving the next phase of growth. - Recent contract activity includes Thales Group’s January 2025 multi-year supply agreement with the French Navy for SonoFlash sonobuoy systems and a February 2024 government-to-government deal under which the Indian Navy procured sonobuoy kits from the United States for its P-8I Neptune fleet. - A sample request is available here. - Related reports include Sonobuoy Launcher Market, Anti Submarine Warfare Market, and Undersea Warfare Systems Market.