OECD Cuts 2026 Global Economic Growth Forecast to 2.8 Percent
The organization's annual Economic Outlook — titled Under Pressure — flags persistent uncertainty over the scale and duration of the US-Israel-Iran conflict, cautioning that the war continues to test global economic resilience at multiple pressure points.
Rebuilding shattered infrastructure and disrupted transport corridors, alongside restoring fractured global supply chains, could extend over months — prolonging economic strain well beyond any eventual ceasefire, the report warned.
Surging prices across oil, liquefied natural gas, and agricultural and industrial inputs are stoking inflationary pressures worldwide. Asian economies are identified as particularly vulnerable given their heavy dependence on Middle Eastern energy and commodity imports.
Two Scenarios, One Grim Outlook
The OECD laid out two contrasting trajectories for the global economy over the next 18 months, hinging on how the energy crisis evolves and how quickly a durable resolution to the conflict can be reached.
"In a time-limited disruption scenario, the sizeable disruptions are assumed to remain relatively short-lived, while in a prolonged disruption scenario, broader disruptions last well into 2027, much longer-lasting negative consequences," the report said. "Both scenarios occur against a background of an otherwise solid underlying momentum in the global economy, with output boosted by strong AI-related investment, production and trade, lower tariff barriers and supportive financial and fiscal conditions."
Under the more optimistic, time-limited scenario, global growth slows to 2.8% — down from 3.4% recorded in 2025 — a significant downgrade from the OECD's own March projections of 2.9% to 3% growth through 2028.
A durable ceasefire combined with further declines in energy prices could offer modest relief, with an anticipated 10% drop in oil, gas, and fertilizer costs from the second half of this year potentially adding 0.1 percentage points to global growth in 2027 while trimming inflation by 0.3 percentage points.
On monetary policy, the OECD expects interest rates to hold steady across most major economies this year, with underlying price pressures remaining contained before easing begins in 2027. G20 inflation is projected to climb from 3.4% to 4% in 2026 before retreating to 3.1% by 2027.
The Darker Path: Recession Risk Looms
The prolonged disruption scenario paints a far more alarming picture. It assumes energy production and export disruptions across the Gulf persist through the latter half of 2026, gradually unwinding only if peace takes hold.
Under this path, critical shortages in energy, agricultural, and industrial supplies could trigger lasting damage to productivity and investment across Gulf-dependent economies.
Global growth would plunge to just 2.1% this year and a precarious 1.8% in 2027 — levels that could tip multiple economies into recession while driving unemployment higher. Global inflation would surge by 0.4 percentage points this year and 1.3 percentage points by 2027, compelling central banks in many countries to hike policy rates by 50 to 75 basis points.
Türkiye Holds Steady
Bucking some of the broader gloom, Türkiye's economy is forecast to expand by 3.1% in 2026, accelerating to 3.8% in 2027, according to the OECD projections.
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