The Organization for Economic Cooperation and Development (OECD) in April 2026 downgraded global economic projections to 2.9% growth in 2026 and 3.0% in 2027, citing energy supply disruptions from Middle East conflict as the primary drag on previously robust expansion.

While the global economy entered 2026 with solid momentum from technology production and reduced US trade tariffs, energy price shocks are now creating significant headwinds. The organization warns that prolonged disruptions beyond mid-2026 could further weaken growth prospects across major economies.

Regional projections reflect this challenging environment, with US growth expected at 2.0% in 2026 before slowing to 1.7% in 2027. The eurozone faces even steeper challenges with just 0.8% growth projected for 2026, while China’s expansion is forecast to decelerate to 4.4% this year and 4.3% next year.

Inflation pressures compound these concerns, with G20 headline inflation projected at 4.0% in 2026 before easing to 2.7% in 2027. Higher energy costs threaten to cascade through food prices and increase natural gas storage expenses for European nations.

The OECD emphasizes that any policy response should be targeted and temporary while preserving energy-saving incentives. This economic turbulence underscores the urgent need for enhanced energy security and accelerated renewable energy investments to mitigate future supply shock vulnerabilities.