South Korea Raises Tax Revenue Forecast by 63.2 Trillion Won on Semiconductor Boom

South Korea's finance ministry revised its 2026 national tax revenue forecast to 478.6 trillion won (~$353.3 billion), up 63.2 trillion won from its March estimate. The jump is driven by surging profits at Samsung Electronics (146.7 trillion won in H1) and SK hynix (98.1 trillion won).

• Full-year tax revenue projected at 478.6 trillion won, up 104.7 trillion from last year's actual figure
• Corporate tax revenue estimated at 136.4 trillion won, 35 trillion above the supplementary budget forecast
• Samsung's H1 operating profit hit 146.7 trillion won; SK hynix posted 98.1 trillion won
• Forecast error versus the supplementary budget reached 15.2%, the fifth-highest since 1950