World Bank cuts 2026 global growth forecast as Iran war hits energy
A Gulf energy shock has turned the World Bank's global outlook into a eurozone inflation and growth warning for Belgium.
In 30 seconds
- The World Bank says global growth is projected at 2.5 percent in 2026.
- The Associated Press reported that the eurozone is forecast to grow 0.8 percent this year.
- The World Bank says emerging and developing economies face weaker per capita income growth after the shock.
- The World Bank says risks include escalating hostilities, commodity disruption and wider geopolitical strain.
The World Bank (Washington-based development lender founded in 1944) publishes Global Economic Prospects as one of its main economic outlooks. Iran (Islamic Republic in the Persian Gulf) is at the centre of the 2026 conflict cited in the forecast. The United States and Israel (Iran's military adversaries in the war) are named because the conflict began with their February 2026 strikes, according to the Associated Press. The Strait of Hormuz (narrow passage between Iran and Oman) is the key energy chokepoint in the report. The Persian Gulf (energy-exporting region including Saudi Arabia, Qatar, the United Arab Emirates, Kuwait, Iraq and Iran) is central to oil, gas and fertilizer trade. Brent crude (global oil benchmark priced in dollars) is the price marker used in the World Bank outlook. The eurozone (the 21 EU countries using the euro, including Belgium) is the monetary area through which the shock reaches Belgian borrowers and savers.
Background
Energy shocks have repeatedly turned regional conflicts into global economic events. The 1973 oil embargo helped produce stagflation across advanced economies, while the 1979 Iranian revolution triggered another oil-price surge. In 2020, COVID-19 collapsed trade and energy demand; in 2022, Russia's invasion of Ukraine forced Europe to replace pipeline gas and subsidise households and firms. The World Bank's current comparison to the post-COVID period matters because it frames the Iran war not as a normal geopolitical risk premium, but as a supply shock large enough to reset global growth, inflation and debt assumptions.
The wider picture
The forecast shows how a military conflict around Iran can become a test of the global economic order. The Strait of Hormuz links Gulf security to energy security for Asia and Europe, while higher borrowing costs expose weaker states. The strategic issue is not only oil supply, but whether global institutions can cushion simultaneous shocks to energy, food and debt.
Why now
The trigger is the World Bank's June 2026 Global Economic Prospects release, which converts several months of Iran-war disruption into a formal downgrade of the global outlook and a weaker eurozone forecast.
What happens next
Watch whether shipping conditions through the Strait of Hormuz improve, whether Brent crude stays near the World Bank's higher assumptions, and whether eurozone inflation data force the European Central Bank into further tightening. The next IMF and World Bank updates will test whether the shock is stabilising or spreading.
What to do
Belgian households and firms should expect economic policy to remain dominated by energy prices, inflation data and interest-rate expectations. For consumers, that means fuel, food and borrowing costs remain the visible channels. For SMEs and exporters, the risk is weaker orders and higher input costs, especially in energy-heavy and food-linked sectors.
How we got here
- 1973
The Arab oil embargo triggered a major energy shock and stagflation across advanced economies.
- 2020
The COVID-19 pandemic caused the last global growth shock used as the World Bank comparison point.
- 2022
Russia's invasion of Ukraine produced a European energy crisis and accelerated EU gas diversification.
- 2026-02-28
The Associated Press reported that the United States joined Israel in attacks on Iran, after which the Strait of Hormuz became central to the economic shock.
- 2026-06-11
The World Bank released its June 2026 Global Economic Prospects forecast projecting 2.5 percent global growth.
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