Seoul plans to turn a chip-boom tax windfall into a 100 trillion won standing fund

South Korea's Ministry of Planning and Budget plans to publish, as early as the 20th or 21st, a scheme for a Future Response Fund that would accrue tax revenue thrown off by booms such as the one in semiconductors and recycle it into medium- and long-term investment in future industries and in the youth, regional and education sectors, according to related authorities cited by Seoul Economic Daily ^[1][3]. Observers quoted in the same report put the fund at close to 100 trillion won ($72 billion) in its first year ^[2], and getting there depends on scrapping the rule that automatically routes 20.79 percent of internal taxes to local education grants ^[11][16].

The mechanics are a trend line. The set-aside benchmark under discussion is the 10- or 20-year average annual growth rate of internal tax revenue, 6.1 percent ^[4]. Applied to this year's 368 trillion won of internal taxes under the supplementary budget, that puts next year's baseline at about 390 trillion won ^[5]. The ministry projects national tax revenue above 500 trillion won next year ^[6]; at the historical internal-tax share of roughly 90 percent, internal taxes come to more than 450 trillion won and the set-aside to more than 60 trillion won ^[7]. Internal taxes ran at 93.0 percent of national tax revenue in the first half of this year ^[8], and at 95 percent next year the set-aside reaches more than 85 trillion won ^[9].

Note what those figures assume: internal tax revenue growing 22 to 29 percent in a single year against a 6.1 percent trend ^[1][2]. The driver is corporate tax on improved semiconductor earnings plus income tax on larger special bonuses, with this year's corporate tax collected in earnest next year after year-end settlements ^[10]. Because the fund is the residual between two large numbers, the arithmetic is highly geared: one percentage point of the internal-tax share is about 5 trillion won ^[6].

The education change is the part that does not reverse. The automatic 20.79 percent allocation is likely to be scrapped in favour of a formula using the past three years' average nominal growth and the rate of change in the school-age population ^[11][12], with a 35 percent weighting on the population term gaining support in final-stage talks after the ministries initially discussed 40 percent ^[13]. That produces grants of about 80.3 trillion won next year, up 5.1 percent from 76.4 trillion won this year ^[14], and nearly 20 trillion won below the roughly 100 trillion won the old rule would have delivered ^[15]. The old rule applied to a 475 trillion won base gives about 98.8 trillion won, so the numbers hang together ^[7]; the new formula leaves grants at an effective 16.9 percent of internal taxes ^[4]. Add the freed 20 trillion won to the 85 trillion won set-aside and the headline 100 trillion won appears ^[3].

So the windfall is cyclical and the formula is permanent: grants grow 5.1 percent while the base they were tied to grows nearly 29 percent ^[14][1]. On the ministry's own revenue forecast, roughly a fifth of national tax revenue would be diverted into a discretionary pool ^[5].

Watch the 35 percent weighting, which was still moving in the final round of talks ^[13]. Watch whether corporate tax lands as projected after year-end settlements ^[10]. And watch the disclosure itself, since the education overhaul is to be published alongside the fund rather than separately ^[17].