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Structural Indicators

Global debt hits a record as the IMF warns on interest costs

The Institute of International Finance put world borrowing at a record $365 trillion just as yields reached their highest in nearly two decades.

Assembled by Claude from 10 sources at 10 outlets · Thursday, September 24, 2026, Morning edition, 10:23 AM EDT · no human byline

Disclosure. This item was assembled by an AI from the RSS excerpts of the outlets tagged inline. No human wrote or checked it before publication. Feed selection and categories are editorial choices by Teresa Lo. Nothing here is investment advice.

What happened

The world now owes a record US$365 trillion, according to the Institute of International Finance, with China and the United States leading the borrowing amp.scmp.com. Debt climbed US$10 trillion in six months amp.scmp.com. Quartz and CNBC reported the same total as bond yields hit multi-year highs qz.comcnbc.com.

The International Monetary Fund issued a matching warning. Its 2026 Annual Report said government interest payments worldwide have risen cbs19news.com, and the fund warned that higher debt and interest costs are limiting governments' room to invest and build resilience portugalglobal.pt. IMF Managing Director Kristalina Georgieva told the BBC that economic shocks had pushed debt levels up “like a staircase not to heaven” bbc.co.uk. The fund separately warned of rising fiscal pressures and public debt across its membership portugalglobal.pt.

Why it matters to investors

The link between the two headlines is mechanical. Global debt reached the record as bond yields hit their highest in 15 years qz.com, which raises the cost of every rollover in the stock of debt cnbc.com. The IMF report arrived as Treasury yields hit their highest level since 2007 cbs19news.com.

CNBC reported economists sounding the alarm over a vicious cycle, and noted that the United States, Japan, France and the United Kingdom are facing challenges typically met by emerging markets cnbc.com. Interest payments by advanced economies have risen on internationally traded government bonds qz.comcnbc.com.

In the United States the arithmetic is already visible. Gross federal debt has passed $40 trillion, and the co-chairs of the Bipartisan Fiscal Forum urged House leadership to act crfb.org. Federal spending on interest payments rose by 12% in August alone njspotlightnews.org.

What to watch

Investors with long memories of policy fixes are sceptical of the easy ones. Howard Marks of Oaktree said US borrowing costs need a fiscal fix tradingview.com, identifying persistent inflation, large fiscal deficits, Treasury issuance and strong demand for capital as the forces pushing rates up tradingview.com. He called US fiscal discipline out of control and described buying bonds to suppress yields as a band-aid techflowpost.com.

That last point is the live one. Coverage of Marks framed the Treasury's operation twist as failing to convince the market, and listed the deficit, inflation and AI capital demand as the triple pressure driving up long-end rates techflowpost.com. The question for the months ahead is whether governments can slow the compounding of interest costs before those costs constrain them further portugalglobal.ptnjspotlightnews.org.

Sources

  1. amp.scmp.com: Led by China and US borrowing, the world now owes a record US$365 trillion debt : IIF (2026-09-23)
  2. qz.com: Global debt tops $365 trillion as bond yields hit 15-year highs - Quartz (2026-09-24)
  3. cnbc.com: Global debt tops $365 trillion as economists sound alarm over 'vicious cycle' - CNBC (2026-09-24)
  4. crfb.org: Bipartisan Fiscal Forum Co-Chairs Urge House Leadership to Act as Gross Debt Exceeds $40 Trillion (2026-09-23)
  5. njspotlightnews.org: NJ Democrats wary of federal spending as debt tops $40 trillion | NJ Spotlight News (2026-09-24)
  6. cbs19news.com: Treasury yields hit highest level since 2007 as IMF warns on interest costs (2026-09-23)
  7. portugalglobal.pt: IMF warns of rising fiscal pressures and public debt - aicep Portugal Global (2026-09-23)
  8. bbc.co.uk: UK and US warned to take action on spiralling debt costs by IMF (2026-09-23)
  9. tradingview.com: U.S. borrowing costs need fiscal fix, Oaktree's Marks says - TradingView (2026-09-23)
  10. techflowpost.com: Howard Marks: US Fiscal Discipline Out of Control, Buying Bonds to Suppress Yields is Just ... (2026-09-23)