National tax income is projected to increase by 49.8% to 584.4 trillion won, driven by corporate and income tax growth from a semiconductor boom. ^[1] The South Korean government finalized the 2027 budget at approximately 821 trillion won, a 12.8% increase over the previous year. ^[2] South Korea's 2027 public spending is projected to reach 821 trillion won, or approximately 597 billion dollars, representing a 12.8% increase over 2026 levels. ^[3] Total tax revenues in South Korea are expected to rise by 40.7% to 584.4 trillion won in the coming year, with corporate tax income more than doubling to 216.7 trillion won. ^[4] The national debt is projected to reach 1519.8 trillion won next year, an increase of 107 trillion won compared to the supplementary budget for the current year. ^[5] The South Korean government announced a budget restructuring plan for the next fiscal year aimed at reducing total mandatory and discretionary expenditures by 107.6 trillion won. ^[6] The South Korean government approved the establishment of a Future Response Fund totaling 16.23 trillion won on January 1 during the State Council meeting. ^[7] The national debt-to-GDP ratio is projected to fall to 48.3%, a 3.3 percentage point decrease from the previous year, bringing it below 50%. ^[8] The South Korean government plans to establish a Future Response Fund to manage increased public revenue volatility and finance long-term growth projects in AI, semiconductors, education, and regional development. ^[9] The surge in tax revenues is driven by exceptional profitability in the semiconductor sector, where major manufacturers like Samsung Electronics and SK Hynix have benefited from global demand for high-bandwidth memory chips used in AI infrastructure. ^[10] Local tax transfers are projected to be reduced by 30.5 trillion won by maintaining the domestic tax linkage formula but excluding additional tax revenue from the parameters. ^[11]