The International Monetary Fund released its April 2026 World Economic Outlook with a stark warning: the Iran-Hormuz conflict has reversed two years of carefully engineered disinflation progress and forced the Fund to cut its global growth projection to 3.1% for 2026—the lowest forecast since the COVID-19 recovery—while raising its headline inflation estimate to 4.4%.
The report, titled "Global Economy in the Shadow of War," identifies three compounding shocks: the energy price surge caused by Hormuz shipping disruptions; the renewed trade fragmentation driven by competing sanctions regimes; and the fiscal pressure on governments forced to balance emergency defense spending against social programs.
Stagflation Risk Elevated
IMF Chief Economist Pierre-Olivier Gourinchas told reporters that the combination of slowing growth and rising inflation creates classic stagflation conditions, leaving central banks in an impossible position. "The policy toolkit is constrained in ways we have not seen since the 1970s," Gourinchas said.
The United States growth forecast was trimmed to 2.2% from January's 2.5%, while the eurozone was cut to 1.1% and China held at 4.6% on the strength of its domestic stimulus programs. Emerging markets dependent on oil imports face the most severe near-term growth headwinds.
Supreme Court Tariff Ruling Complicates Trade Outlook
The IMF also flagged the February 2026 US Supreme Court ruling striking down the legal basis for many tariffs as a source of policy uncertainty, adding another layer of unpredictability to trade flows at a time when global commerce can least afford disruption.
"The geometry of global trade is shifting in ways that are deeply unfavorable to efficiency and growth," the report concluded. "The world is fragmenting into competing economic blocs and the cost of that fragmentation—measured in lost growth, higher prices, and reduced innovation—is only beginning to be felt."