South Korea to Triple AI Spending and Boost Defence Budget to Highest Level in Six Years

4 November 2025

In a move that signals a transformative era for both the defence industry and technology providers, South Korea has announced the largest increase to its national defence budget in six years, alongside a tripling of its artificial intelligence (AI) spending for 2026. President Lee Jae Myung detailed this ambitious plan in his annual parliamentary budget speech, underlining Seoul’s intent to integrate advanced AI capabilities across its defence infrastructure and achieve strategic technological independence on the global stage. The proposal includes a significant 8.2 percent jump in defence allocations, rising to a total of 66.3 trillion won (USD 49 billion), in what would be the highest single-year percentage increase since 2019. This expansion comes as part of a wider government budget package totaling 728 trillion won (USD 542 billion), an 8.1 percent increase over the previous year.

The defence sector is positioned for a comprehensive overhaul, particularly focusing on upgrading conventional weapons platforms into state-of-the-art systems adapted for the AI era. The initiative aims to transform South Korea’s armed forces into an elite ‘smart force,’ directly impacting the country’s military vehicle, weapons, radar, training, and electronic warfare segments. President Lee stated, "We will overhaul conventional weapons systems into state-of-the-art systems suited for the AI era and swiftly transform our military into an elite, smart force." A core element of this transformation is a broad-based investment in AI, with 2.6 trillion won earmarked for integrating advanced AI solutions into the defence, manufacturing, and public sectors, and the remaining 7.5 trillion won targeting talent development and infrastructure build-out. This move will directly benefit technology providers, systems integrators, and infrastructure contractors engaged in building data centers, research labs, and digital command platforms.

South Korea’s defence innovation efforts are reinforced by its homegrown semiconductor and technology sector, including world leaders such as Samsung Electronics and SK hynix. These companies are set to play a pivotal role as both chip producers and AI system suppliers—a development noted by Nvidia CEO Jensen Huang, who recently announced plans to supply 260,000 high-advanced chips to South Korea. Suppliers specializing in embedded AI, secure communications, advanced radar, and sensor integration are poised to see an increase in procurement contracts and long-term industry partnerships. As the new budget prioritizes AI-driven border surveillance, next-generation missile defence, and maritime domain awareness, opportunities for joint ventures and local-industry participation are expected to grow, especially for partners developing AI-powered unmanned systems, cybersecurity solutions, and adaptive C4ISR platforms (Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance).

Industry insiders are closely watching for procurement process changes that may open pathways for SMEs, research organizations, and emerging tech firms to collaborate under the expanded military R&D umbrella. The government’s move is supported by a solid parliamentary majority, providing a stable environment for long-term defence planning and contract execution. The budget also reflects an awareness of regional security dynamics, particularly with South Korea accounting for 1.4 times North Korea’s annual GDP in defence spending and maintaining the world’s fifth-ranked military strength. The scale of this investment is expected to influence procurement cycles, OEM contract sizes, and the pace of technology transfer from allied countries, notably the United States, which maintains a significant troop presence and shares critical technology development pathways with Seoul.

This surge in defence and AI investment aligns with broader trends in the Asian defence landscape, where government-backed modernization initiatives are driving demand for high-tech military platforms, multi-domain networked operations, and integrated digital solutions. For B2B stakeholders—including established prime contractors, subcontractors, logistics providers, and defence IT companies—South Korea’s expanded budget and strategic priorities present fresh opportunities in tenders, vendor partnerships, and infrastructure upgrades. In summary, the country’s strategic pivot—rooted firmly in AI, cybersecurity, smart manufacturing, and military modernization—demonstrates a robust commitment to future-ready defence capabilities, reinforcing its status as a major regional and global player in the defence value chain.