Global bond markets face rising yields amid inflation and geopolitical tensions

Borrowing costs have surged globally, with U.S. Treasury yields reaching two-decade highs as concerns mount over government debt sustainability. The yield on 30-year U.S. Treasuries hit 5.33%, while Britain issued gilts at the highest rate since before the financial crisis in 2007. Similar trends are observed across Japan and France, with yields reaching multi-decade highs due to inflation fears and geopolitical tensions such as those involving Iran. Robin Brooks of Brookings Institution warned that countries with high debt levels—such as the UK, France, and Japan—are particularly vulnerable amid fiscal policy mismanagement. Rising borrowing costs pose a challenge for Chancellor John Healey ahead of his Budget in October 2026. Economists caution against exploiting flexible fiscal rules to increase borrowing without considering long-term consequences. Inflation is expected to rise closer to 4% by year-end, adding pressure on public finances and home ownership costs as central banks maintain higher interest rates.

By Szu Ping Chan Tue, August 18, 2026 at 6:59 PM GMT+3 4 min read · Yahoo Finance ·

Global bond markets face rising yields amid inflation and geopolitical tensions

Tickers: $UK

Topics: borrowing costs global bond markets government debt inflation fears

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