SEOUL, Aug. 25 (AJP) — South Korea is packaging a record budget of 800 trillion won ($579 billion) for the first time for 2027, with spending set for its first double-digit increase since the global financial crisis as a chip-driven tax bonanza gives the government room to accelerate fiscal expansion even as monetary policy tightens and public debt continues to climb.
The Ministry of Planning and Budget is putting the finishing touches on the spending plan, which is expected to increase total expenditure by more than 10 percent from this year's original budget of 729.9 trillion won. The scheme would top 800 trillion won for the first time, only a year after the liberal government crossed the 700 trillion won mark.
The last time annual government spending grew at a double-digit pace was in 2009, when expenditure rose 10.9 percent as Seoul responded to the global financial crisis.
Unlike then, however, the latest expansion is being prepared against a backdrop of unusually strong tax revenue rather than an economic downturn.
Historical earnings of chipmakers Samsung Electronics and SK hynix and stock boom have bolstered tax coffers this year.
Planning and Budget Minister Park Hong-keun in July said national tax revenue next year could exceed the 421.1 trillion won projected in the government's five-year fiscal management plan by more than 100 trillion won, putting it at "500 trillion won plus alpha."
Some government officials now see national tax revenue potentially surpassing 600 trillion won if the memory chip bonanza persists.
The scale would mark an extraordinary turnaround in Korea's fiscal position and give President Lee Jae Myung's government considerably more room to finance its industrial, regional and social policy agenda without relying entirely on additional borrowing.
The government also says it will create additional room through record-scale restructuring of existing expenditure, redirecting spending toward higher-priority projects rather than financing the expansion solely through higher tax revenue.
At July's National Fiscal Strategy Meeting, the government identified semiconductors, AI data centers and physical AI as three "Mega Projects" that would receive priority in fiscal resource allocation.
The tax windfall would also provide the seed money for a planned Future Response Fund designed to turn unusually strong revenue into longer-term investment rather than allow a cyclical windfall to disappear into routine spending.
The government defines "additional tax revenue" for the fund differently from the conventional concept of excess tax collection, which measures revenue above the official budget forecast for a particular year.
Instead, the Ministry of Planning and Budget plans to calculate a trend level for domestic tax revenue based on its average annual growth of roughly 6 percent over the past decade. Revenue above that trend would be classified as additional tax income and could be transferred to the fund.
On that basis, the trend level for domestic taxes in 2027 is estimated at around 370 trillion won.
Domestic taxes have accounted for roughly 88 to 89 percent of Korea's national tax revenue in recent years. If total tax revenue reaches 600 trillion won next year, domestic tax receipts could approach 530 trillion won.
That would leave around 160 trillion won above the estimated trend level available for classification as additional revenue under the proposed formula.
The amount could be even larger if corporate tax receipts push the share of domestic taxes above 90 percent.
The 2027 budget is expected to spell out both how much would be accumulated in the Future Response Fund and how much would be deployed for government projects.
The fund is intended to channel above-trend tax revenue toward younger generations, future growth engines, regional development and human capital.
The government has also presented the mechanism as a way to strengthen fiscal resilience by building resources during strong revenue years rather than allowing temporary gains to become permanent spending commitments.
The fiscal windfall is already showing up in government accounts.
National tax revenue increased by 33 trillion won from a year earlier in the first half of this year, helping narrow the managed fiscal deficit to 84.4 trillion won, the smallest first-half shortfall in three years.
Corporate tax receipts rose 4.3 trillion won from a year earlier as company earnings improved, while securities transaction tax revenue increased 5.2 trillion won amid heavy stock trading.
Still, the revenue increase has not stopped government debt from rising.
Central-government debt stood at 1,338.5 trillion won at the end of June, up 70.3 trillion won from the end of last year.
The government's existing medium-term fiscal plan, drawn up before the latest tax surge and planned spending expansion, projected the national debt-to-GDP ratio rising from 51.6 percent this year to 53.8 percent in 2027 and 58 percent by 2029.
The Lee administration is nevertheless arguing that stronger revenue, expenditure restructuring and the Future Response Fund can stabilize public finances, including the debt ratio, faster than previously projected over the medium term.
But the fiscal expansion conflicts with the Bank of Korea's monetary policy.
The central bank raised its benchmark interest rate by 25 basis points to 2.75 percent in July, saying export- and investment-led growth had strengthened while inflation was likely to remain above its 2 percent target for some time and financial-stability risks persisted.
The BOK has maintained a bias toward further tightening, creating an unusual policy mix in which fiscal policy is set to accelerate just as monetary policy becomes more restrictive.
For the government, stronger tax revenue changes the fiscal calculation. Strategic spending can increase without requiring an equivalent rise in borrowing, while restructuring existing expenditure is intended to create additional room for investment.
The risk is that much of the windfall is tied to one of the most cyclical parts of the economy.
Korea's corporate tax base has become increasingly dependent on the earnings of its semiconductor giants, leaving tax receipts vulnerable to any reversal in the global chip cycle. A permanent increase in spending built around temporary revenue could leave a much larger fiscal gap once the boom fades.
The Future Response Fund is in part an attempt to guard against that risk by separating above-trend revenue from ordinary fiscal resources and directing it toward investments intended to raise Korea's longer-term growth capacity.
The government is expected to complete the budget for Cabinet deliberation and presidential approval this month before submitting it to the National Assembly early September.
Under Korean law, the government must submit the budget to parliament no later than 120 days before the start of the fiscal year.
AJP Takeaways
- South Korea is preparing its first budget above 800 trillion won, with 2027 spending expected to rise by more than 10 percent for the first double-digit increase since 2009.
- A semiconductor-driven tax surge could push national tax revenue above 600 trillion won, producing around 160 trillion won of above-trend domestic tax revenue under the government's proposed Future Response Fund formula.
- The government says higher revenue, record expenditure restructuring and the new fund can support strategic investment while improving the medium-term debt trajectory, even as the BOK maintains a tightening bias
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