Aging populations can mathematically force governments into debt
When a nation's birth rate collapses, the remaining workers eventually find themselves supporting a society that is physically and financially outgrowing its own tax base.
South Korea is currently navigating a mathematical trap where the sheer weight of an aging population threatens to overwhelm the national treasury. As the birth rate hits record lows, the number of young people entering the workforce to pay taxes is shrinking, while the number of retirees requiring pensions and healthcare is ballooning. This creates a fiscal scissors effect: tax revenue falls just as social spending must rise. By 2030, the country's debt-to-GDP ratio—a key measure of financial health—is expected to climb toward 60 percent, a threshold that often signals trouble for a nation's borrowing power.
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