Why did the IEA lower its global oil demand forecast for 2026, and by how much compared to its previous estimate?

The IEA lowered its global oil demand forecast for 2026 due to the ongoing blockade of the Strait of Hormuz and persistently high fuel prices, which continue to suppress global oil consumption; it now expects global oil demand to decline by 1.6 million barrels per day in 2026, a reduction that is 510,000 barrels per day larger than its prior month’s forecast.

What does the IEA project for the global oil supply-demand balance in Q3 2026, and what risk does it highlight regarding inventory buffers?

The IEA projects a supply-demand deficit of 1.8 million barrels per day in the third quarter of 2026 — more than double its previous estimate of about 800,000 barrels per day — and warns that with observable global oil inventories rapidly depleting (e.g., a 69-million-barrel drawdown in July driven by renewed export disruptions in the Gulf and Caspian regions), the urgency to restore navigation through the Strait of Hormuz has intensified.

IEA Lowers Global Oil Demand Forecast for 2026

Aug 13, 2026

The IEA reduced its 2026 global oil demand outlook by 510,000 barrels per day due to high prices and the Hormuz Strait blockade, citing a potential supply deficit in Q3 2026 as inventories dwindle.

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