Global bond markets are coming under renewed pressure as rising government debt, persistent inflation, and increased borrowing by companies push yields higher and challenge investors’ appetite for long-term debt.
Government bond yields have climbed sharply across major economies, with
Japan’s 10-year yield reaching 3% for the first time since 1996, while
U.S., British, German and French borrowing costs have also moved to multi-year or multi-decade highs.
The moves reflect growing concern that governments are borrowing heavily at a time when investors are demanding higher returns to compensate for inflation and fiscal risks.
The United States is at the centre of those concerns, with federal debt exceeding $40 trillion.
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At the same time, a surge in corporate borrowing to finance artificial intelligence infrastructure is adding to the supply of debt competing for investor capital.
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Global corporate bond issuance has reached a record $4.9 trillion so far in 2026, up 14% from the same period last year, according to LSEG data cited by Reuters.
Five major U.S. technology companies
Alphabet (Google),
Amazon,
Meta,
Microsoft, and
Oracle
have issued about $220 billion in debt this year as they finance data centres and AI-related investments, more than twice last year’s total.
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Higher yields translate into higher borrowing costs across the economy, affecting governments, companies, and consumers through more expensive mortgages, loans, and corporate financing.
The pressure also complicates central-bank policy.
Rising energy prices and geopolitical tensions are adding to inflation risks while higher government borrowing costs make it harder for policymakers to support economies without worsening fiscal pressures.
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For emerging markets, the risks can be greater. Higher yields in major economies can draw capital away from developing countries, increase the cost of dollar-denominated debt and put pressure on currencies already vulnerable to external shocks.
The bond-market moves therefore represent more than a shift in investor preferences. They signal a broader reassessment of the cost of government borrowing after years of exceptionally low interest rates and abundant liquidity.
With debt levels remaining high and governments facing growing spending demands, investors may increasingly demand higher yields before financing additional borrowing — putting fiscal discipline back at the centre of global markets.
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