Sonar Systems - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026 - 2031)

The sonar systems market size is expected to grow from USD 4.89 billion in 2025 to USD 5.80 billion in 2026 and is forecasted to reach USD 6.67 billion by 2031 at a 2.84% CAGR over 2026-2031.

This modest headline growth conceals a structural shift, as procurement budgets shift from large, hull-mounted hardware toward software-defined acoustic arrays and autonomous vehicles that deliver more exhaustive coverage at lower lifecycle costs. Navies are steering funds toward edge-compute signal processing, while commercial operators use multi-static AUV fleets to shorten inspection cycles and cut vessel charter costs. Increasing offshore wind construction, stricter International Maritime Organization underwater-noise rules, and AI-enabled target classification continue to broaden the commercial addressable base. At the same time, persistent cyber-hardening gaps and the rise of optical or magnetic sensing alternatives keep competitive pressure high, forcing vendors to differentiate themselves through open architectures, sovereign AI software stacks, and turnkey service models.

Global Sonar Systems Market Trends and Insights

Naval Fleet Modernization Programs

Cold-War era arrays are being replaced with modular, software-defined systems that slot into network-centric architectures. The US Navy allocated USD 57.5 million to Undersea Warfare Applied Research and USD 53.6 million to Acoustic Search Sensors in FY 2025, indicating a priority for incremental sonar upgrades over new hulls. AUKUS nuclear-powered submarines and Japan's expanded Maritime Self-Defense Force orders further amplify demand for through-life support, flank arrays, and training infrastructure across the Asia-Pacific. Programs such as the Mk 48 torpedo Advanced Processor Build 6, slated for its first operational use in 2026, demonstrate how navies are embedding AI inference at the edge to extend the life cycles of legacy platforms and reduce their dependency on satellite bandwidth. As more fleets opt for retrofit paths, vendors with open-architecture firmware and sovereign-compute credentials strengthen their foothold.

Expanding Offshore Energy Exploration

Deepwater oil operators are shifting to AUV patrols equipped with synthetic-aperture and side-scan sonar because weather downtime hinders surface vessels. Equinor reduced pipeline survey time in the North Sea from 14 days to 5 days, resulting in a 60% decrease in vessel costs by 2025. Offshore wind developers, especially in Europe and the United States, mandate high-resolution multibeam surveys to map boulder fields and unexploded ordnance before construction begins. Fisheries deploy split-beam echosounders coupled with convolutional neural networks to separate quota species from bycatch in real time, helping avoid fines. Aquaculture cages utilize similar arrays to monitor biomass density and detect net tears, ensuring optimal feed usage and environmental compliance. Together, these moves expand the sonar systems market beyond its historical naval core.

High Capital and Lifecycle Costs

A single frigate sonar suite costs more than USD 20 million and requires another 60% of that figure for support over 25 years. Smaller navies defer upgrades to fund multi-role patrol vessels, thereby reducing their anti-submarine capacity. Commercial multibeam rigs range from USD 500,000 to USD 1 million, with annual calibration consuming 10%-15% of the list price. Leasing and service-bundle models lower entry costs but shift operators into recurring fees. Software-defined arrays promise 30% lifecycle savings, yet they require an upfront integration commitment that legacy systems often cannot support.

Other drivers and restraints analyzed in the detailed report include:

1. Protecting Critical Subsea Energy Infrastructure
2. Surge in Unmanned Underwater Vehicles (UUVs)
3. Spectrum-Management and Licensing Hurdles

For complete list of drivers and restraints, kindly check the Table Of Contents.

Segment Analysis

Defense accounted for 69.87% of the sonar systems market size in 2025 and is expected to remain the largest segment, as anti-submarine warfare, mine detection, and port security missions continue to receive funding priority. The commercial segment is projected to register a 4.30% CAGR because offshore energy companies now treat high-resolution seabed data as an operational necessity rather than an optional cost line. Unmanned patrols enable navies and oil majors to achieve 24/7 coverage without exposing crews to contested waters, thereby supporting the broader adoption of this technology across both customer groups.

AUV-based synthetic-aperture sonar surveys saved Equinor six ship days per pipeline inspection in 2025, prompting similar operators to add contract capacity for 2026 campaigns. Fisheries and aquaculture use split-beam arrays with real-time species recognition to cut bycatch penalties. Despite the faster expansion on the civil side, high R&D barriers and export-control hurdles will keep defense in control of absolute revenue through 2031.

Passive arrays delivered 54.70% of 2025 revenue, reflecting the enduring need to detect adversaries while remaining silent. Multi-static architectures, where separated transmitters and receivers triangulate faint diesel-electric returns, are forecast to grow at a 5.10% CAGR. This uptick positions multi-static tools as the fastest-advancing technology segment in the sonar systems market.

MEDUSA UUVs will coordinate distributed nodes to cover chokepoints without a surface escort, amplifying adoption in both green- and brown-water operations. Active sonar keeps its niche in mine countermeasures and harbor defense but must navigate stricter environmental reviews. The technology split underscores a mission-driven rather than one-size-fits-all future for the sonar systems market.

The Sonar Systems Market Report is Segmented by Application (Defense, and Commercial), Technology (Active, Passive, and Multi-Static), Installation Platform (Ship, Submarine, Airborne, and Unmanned), Mounting (Hull, Towed Array, Dipping, and Seabed), Frequency Band (Low, Mid, and High), and Geography (North America, Europe, Asia-Pacific and More). The Market Forecasts are Provided in Terms of Value (USD).

Geography Analysis

North America generated 36.98% of global revenue in 2025, underpinned by USD 3.9 billion in US Submarine Industrial Base funding and sustained investment in edge-compute sonar upgrades. High-volume procurement cycles and sole-source contracts give the region structural scale advantages, ensuring that the sonar systems market remains anchored in the United States through 2031.

The Asia-Pacific region is projected to register the fastest 4.75% CAGR as Australia procures nuclear-powered submarines under AUKUS, Japan expands hull-mounted deployments, and South Korea invests in mine countermeasure drones. Regional governments view seabed awareness as a prerequisite for ensuring energy security and effective enforcement of the exclusive economic zone. The sonar systems market size in the Asia-Pacific region is driven by simultaneous growth in defense and offshore energy.

Europe maintains steady replacement demand, with the UK and France upgrading their Barracuda-class flank arrays, while smaller NATO members stagger their upgrades. Norway's pipeline protection spend highlights a shift toward seabed monitoring investments. In the Middle East, port authorities are installing perimeter arrays around desalination intakes, and Brazil's offshore expansion is fueling South America's modest uptick. Collectively, these geographies form a mosaic where growth hotspots revolve around maritime sovereignty and energy supply resilience.

1. Thales Group
2. RTX Corporation
3. L3Harris Technologies, Inc.
4. Kongsberg Gruppen ASA
5. Northrop Grumman Corporation
6. General Dynamics Mission Systems, Inc.
7. Ultra Electronics Holdings
8. TKMS GmbH
9. Teledyne Technologies Incorporated
10. FURUNO ELECTRIC CO., LTD.
11. Navico Group (Brunswick Corporation)
12. ASELSAN A.S.
13. GeoSpectrum Technologies Inc.
14. Western Marine Electronics, Inc.
15. EdgeTech
16. Hanwha Systems Co., Ltd.

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support