Global debt reached a record $353 trillion in the first quarter of 2026, prompting international investors to begin diversifying their portfolios away from U.S. Treasuries, according to the latest Global Debt Monitor from the Institute of International Finance (IIF). While demand for Japanese and European sovereign debt has strengthened, interest in U.S. government bonds has remained stagnant. This shift is fueled by long-term projections suggesting that U.S. fiscal policy is on an “unsustainable path,” even as debt-to-GDP ratios in the euro zone and Japan begin to recede.
The IIF report highlights that global debt surged by $4.4 trillion in the first three months of the year, the most rapid acceleration since mid-2025. This increase was primarily driven by government borrowing in Washington and a significant spike in debt among Chinese state-owned enterprises. In contrast, debt levels in other mature markets have edged lower, while emerging markets—excluding China—hit a record $36.8 trillion. Despite these nominal increases, the global debt-to-GDP ratio remains relatively stable at 305%, though individual nations such as Norway, Kuwait, and Saudi Arabia saw their debt ratios climb by more than 30 percentage points.
Looking ahead, the IIF warns that structural factors—including aging populations, cybersecurity needs, and the massive capital expenditures required for AI and energy security—will continue to push debt levels higher. Recent geopolitical instability in the Middle East is expected to exacerbate these pressures, particularly concerning defense and energy spending. While the U.S. corporate bond market remains robust due to AI-related interest, the broader sovereign outlook remains clouded by rising structural costs and shifting investor confidence.
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