G7 ministers warn on debt and bond market volatility amid Iran conflict

G7 ministers warn on debt and bond market volatility amid Iran conflict
French Finance Minister, Bank of Canada Governor, and Banque de France Governor pose for a photo ahead of the G7 finance ministers’ meeting in Paris, 18 May, 2026.
Reuters

G7 finance ministers voiced growing concern over rising public debt and volatile bond markets as they met in Paris on Monday following a global sell-off driven by fears that the Iran conflict could fuel inflation.

Ministers are expected to discuss the economic fallout from the conflict and turbulence in global bond markets, a particular concern for Japan, while also seeking common ground on addressing economic tensions and global imbalances.

Bonds from Tokyo to New York extended losses on Monday, with investors betting on central bank rate rises amid concerns that higher energy prices could reignite inflation.

Asked whether bond markets were collapsing, French Finance Minister Roland Lescure said: “They’re undergoing a correction - I wouldn’t say they’re collapsing.”

“We are no longer in a period where public debt is not a subject,” he told reporters as he arrived at the meeting.

Divisions in G7 set stage for tricky meeting

The meeting, which is also being attended by representatives from G7 central banks, will examine how countries can co-ordinate responses to shocks such as inflation through temporary, targeted and reversible measures, the French finance ministry said.

German central bank chief Joachim Nagel said policymakers could do a great deal to calm markets and restore positive momentum.

Japanese Finance Minister Satsuki Katayama said she had been instructed by Prime Minister Sanae Takaichi to “minimise various risks” when asked about rising long-term interest rates, without elaborating further.

The G7 finance ministers will also seek common ground on tackling global economic tensions and co-ordinating critical raw material supplies.

However, divisions within the G7 are complicating efforts to project unity ahead of a leaders’ summit in the spa town of Évian from 15 to 17 June.

“Don’t put in place measures that would make the situation worse,” International Monetary Fund chief Kristalina Georgieva said as she arrived for the meeting.

At the centre of the Paris agenda are what Lescure described before the meeting as deep-seated global economic imbalances fuelling trade friction and risking a turbulent unwinding in financial markets.

Focus turns to Trump-Xi summit

Lescure, who is hosting the talks, said the G7 offered an opportunity for frank dialogue among allies at a time of widening disagreements with Washington.

“These discussions are not easy. I’m not going to tell you that we agree on everything, including, of course, first and foremost with our American friends,” he told journalists.

The two-day meeting follows a summit between U.S. President Donald Trump and Chinese President Xi Jinping in Beijing that yielded few concrete economic breakthroughs, as tensions over Taiwan and trade simmered beneath a display of diplomatic cordiality.

Finance ministers will be looking for an update on U.S.-China relations following the Trump-Xi summit and the latest U.S. efforts to reopen the Strait of Hormuz.

U.S. Treasury Secretary Scott Bessent said the trip to China had been highly successful, adding that he would urge the G7 to enforce sanctions targeting Iran’s “war machine.”

Critical mineral high on agenda

Another priority will be critical minerals and rare earths, with G7 governments attempting to co-ordinate efforts to reduce dependence on China.

G7 countries are also seeking progress on a shared toolbox of measures to stabilise markets and encourage domestic investment, potentially including price floors for producers, pooled purchasing and tariffs.

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