South Korea's government has outlined a 2026 budget totalling 728 trillion won, a substantial 8.1 percent increase and the most significant rise in four years.

The new administration in South Korea, under President Lee Jae-myung, is using expansionary fiscal measures to drive innovation amid economic headwinds.

Research and development spending will see a record 19.3 percent jump to 35.3 trillion won, with AI receiving the steepest increase. Planned AI expenditure of 10.1 trillion won marks a threefold rise over 2025 and includes procuring 15,000 high-performance GPUs.

Industrial policy funding will grow by 14.7 percent, while social welfare and defence allocations also rise by over 8 percent. The fiscal deficit is expected to widen to 4.0 percent of GDP, with the public debt ratio forecast to reach 51.6 percent.