South Korea Proposes Record $597 Billion 2027 Budget to Supercharge AI Investment

South Korea Budget 2027 Sets Historic Spending Record

South Korea has unveiled its most aggressive fiscal spending plan on record, proposing a total government expenditure of 821 trillion won ($596.92 billion) for 20271

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. The record budget proposal represents a 12.8% rise from 2026, marking the largest year-on-year increase in the country's history2

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. The increase of 93 trillion won is unprecedented in both absolute and percentage terms, signaling President Lee Jae-myung's commitment to expansionary policies since taking office in June last year2

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. This pivot away from three years of fiscal austerity under his predecessor aims to strengthen South Korea's technological edge amid the global AI race1

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Semiconductor Industry Windfall Fuels AI Investment

The historic spending increase is made possible by a windfall from the semiconductor industry, with chipmakers Samsung Electronics and SK Hynix generating unprecedented profits driven by global demand for high-bandwidth memory used in the AI boom1

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. Total tax revenue is projected to increase 40.7% next year to 584.4 trillion won, with corporate tax receipts alone expected to more than double to 216.7 trillion won1

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. National tax revenue, including corporate and income taxes, is projected to jump by nearly 50% to 584.4 trillion won, fueled by the semiconductor boom2

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. This revenue surge will help reduce South Korea's debt-to-GDP ratio by 3.3 percentage points to 48.3%, down from 51.6% estimated for this year1

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AI-Related Megaprojects Take Center Stage

The government has designated semiconductors, physical AI, and AI data centers as the three main pillars of its megaprojects to provide comprehensive support ranging from key infrastructure to technology development3

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. Funding for these AI and semiconductor investments will nearly double from 10.8 trillion won this year to 21.3 trillion won next year2

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. The government earmarked 2.6 trillion won for a special semiconductor budget to accelerate production base construction and maintain technological edge1

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. More than 2 trillion won will be invested in speeding up construction of next-generation semiconductor infrastructure, including power and water supplies and industrial complexes2

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. Additionally, more than 3 trillion won will go toward research and development in physical AI and pilot projects applying it to manufacturing, construction, and agriculture2

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Future Response Fund Channels Excess Revenue

Rather than channeling its projected 162.3 trillion won of excess tax revenue into short-term spending, the government plans to direct it into a strategic endowment called the Future Response Fund, designed for long-term investments1

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. The fund will deploy 45.4 trillion won next year to expand initiatives in youth welfare, future growth engines, and specialized education programs1

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. From the Future Response Fund, 45.4 trillion won will be invested in four areas: young people, growth engines, balanced regional development, and education and talent2

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. Another 12.5 trillion won will be used to reduce new government bond issuance, while the government plans to hold the remaining 104.4 trillion won in reserve to address fluctuations in tax revenue or bolster fiscal capacity in the event of a revenue shortfall2

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Breaking the Low-Growth Cycle Through Tech Leadership

President Lee Jae-myung stated during a Cabinet meeting that Korea is at a critical juncture, facing a choice between prolonged low-growth cycle and a rebound in its potential growth rate3

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. The government plans to significantly ramp up investment to prevent structurally low growth from becoming entrenched and strengthen Korea's position in the global tech race3

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. Budget Minister Park Hong-geun emphasized that the government will supply 10,000 GPUs, data, and talent to help a national AI foundation model achieve globally competitive performance and develop AI services for the public3

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. The government seeks to boost industrial competitiveness and create greater fiscal room through productive fiscal strategy3

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Fiscal Health Improves Despite Record Spending

Despite the sharp increase in government spending, fiscal health is expected to improve significantly. The consolidated fiscal balance is projected to record a surplus of 59.9 trillion won next year2

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. Korea is expected to post a deficit of just 3.1 trillion won in the managed fiscal balance, equivalent to 0.1% of gross domestic product, which comes fairly close to balancing the budget2

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. This represents a 3.8-point improvement from the managed fiscal deficit of 3.9% of GDP in this year's original budget2

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. Total government bond sales for next year will drop to 222.8 trillion won, down from 225.7 trillion won in this year's budget, with net bond issuance declining by 13.1 trillion won to 96.3 trillion won1

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. The government cited the need to maintain stability in the bond market as its reason for not using the tax revenue windfall to pay back more debt2

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. The budget proposal will require parliamentary approval before implementation1

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