Energy Crisis Drives OECD to Slash 2026 Global Growth Forecast to 2.8 Percent
Paris, Thursday, 4 June 2026.
Following the Strait of Hormuz closure, the OECD slashed 2026 global growth forecasts to 2.8 percent on June 3, warning of severe energy, fertilizer, and helium supply shocks.
A Momentum Derailed by Geopolitical Shock
The global economy entered 2026 with surprisingly robust momentum, buoyed by a 3.4 percent growth rate in 2025 and surging investments in artificial intelligence [1][2][3][4]. However, an abrupt escalation in Middle Eastern geopolitical conflicts in late February 2026 effectively closed the Strait of Hormuz, a vital artery for international trade [4]. This closure immediately triggered a severe energy shock, slashing global oil supplies by 13.5 percent and dropping Persian Gulf oil production by 45 percent [4]. Prior to this disruption, Gulf nations accounted for 26 percent of the world’s oil supply and 31 percent of its liquefied natural gas [4].
Diverging Scenarios for Global Recovery
Navigating this volatile landscape, where the exact duration of the geopolitical conflict remains unknown, the OECD has modeled two distinct economic trajectories [1][3]. Under a “time-limited disruption” scenario, energy production in the Gulf would begin progressively recovering by the third quarter of 2026 [2][3]. This baseline assumption sees global growth dipping to 2.8 percent this year before rebounding to 3.1 percent in 2027 [1][2]. In this environment, 2026 gross domestic product (GDP) growth is forecast to hit 2.0 percent in the United States, 4.5 percent in China, and a mere 0.8 percent in the Euro area [2][4].
Regional Pressures and Supply Chain Contagion
The shockwaves of this energy crisis are already fracturing regional economies, particularly in Europe. The closure of the Strait of Hormuz blocked 5 percent of the European Union’s crude oil, 10 percent of its liquefied natural gas, and an alarming 45 percent of its jet fuel imports [5]. In Belgium, headline inflation nearly doubled from 2.2 percent in March 2026 to 4.2 percent in April, representing a 90.909 percent relative increase, driven by an 18.2 percent spike in energy prices [7]. Similarly, Czechia saw mid-May 2026 retail fuel prices surge 25 percent above late February levels, despite the government releasing 100,000 tonnes of emergency oil reserves [6].
Navigating the Inflationary Resurgence
The cascading effects of soaring energy and commodity prices have reversed the downward trend in global inflation [4]. The OECD forecasts that average consumer price inflation across G20 economies will rise to 4.0 percent in 2026, up from 3.4 percent in 2025, before potentially easing to 3.1 percent in 2027 under the baseline scenario [1][2]. This inflationary pressure is eroding purchasing power; the OECD projects that roughly one-third of its member economies will experience negative real wage growth throughout the remainder of 2026, directly impacting workers’ living standards [4].