GLOBAL OIL DEMAND ENTERS FIRST DECLINE SINCE 2020, IEA WARNS
The Iran war has pushed consumption into a 1 million barrel-a-day contraction this year, and renewed hostilities threaten any recovery.
by editor5 min readcomments soon

Global oil demand is shrinking for the first time since the pandemic, the International Energy Agency has warned, and the Iran war is the reason. The agency projects a 1 million barrel-a-day contraction in demand this year, a direct consequence of the conflict that has upended both supply routes and consumption patterns across the Middle East and beyond.
The decline is the first since 2020, when Covid-19 lockdowns cratered global fuel use. This time the cause is geopolitical rather than viral, but the effect is similar: demand is falling faster than supply can adjust, and the forecast for any near-term recovery depends on whether the U.S. and Iran can avoid re-escalating hostilities.
DEMAND IS UP, BUT FROM A DEEP HOLE
The headline contraction masks an uneven trajectory. Global demand started to recover from second-quarter lows, with annual declines easing from 4.8 million barrels per day in April-June to an expected 1.7 million bpd in the third quarter. That recovery is fragile: renewed U.S.-Iran hostilities could easily stall it, according to the IEA's analysis.
The 1 million bpd full-year contraction is the average, meaning the first half of the year was much worse than the second half. But the reopening of the Strait of Hormuz in June, which allowed tankers to resume normal passage, has not automatically restored demand. Product supply and deliveries are slower to rebound, and markets remain tight in downstream segments even as crude flows have normalised.
SUPPLY SIDE STORY IS DIFFERENT
While demand is contracting, global oil supply has bounced back sharply. Output rebounded by 4.1 million barrels per day in June to reach 98.8 million bpd, driven by a partial recovery in Gulf production after the Strait reopened. Tankers rushed to exit the Persian Gulf once passage was restored, including Iranian crude that had been bottled up during the height of the conflict.
But the recovery is far from complete. Global oil output remained about 9.4 million bpd below pre-war levels as of June, a gap that underscores the scale of the disruption. The period of peak war impact knocked out a significant chunk of production capacity, and not all of it has come back online.
Looking ahead, supply is on track to decline by an average of 3.7 million bpd to 102.6 million bpd in 2026, contingent on continued de-escalation. That forecast assumes hostilities do not reignite. If they do, the supply picture could flip from surplus to deficit quickly.
THE MARKET'S WEIRD PARADOX
Crude markets look well supplied right now. Oil prices crashed after the U.S.-Iran Memorandum of Understanding in mid-June, with North Sea Dated dropping $31 a barrel to $68 per barrel by early July. That is a massive swing in a matter of weeks, reflecting the market's reassessment of supply risk.
But the product markets tell a different story. The disconnect between well-supplied crude and tight product markets has underpinned a rally in refinery cracks and margins, which surged to four-year highs by early July. The reason: refineries are still struggling to process the crude that is flowing freely. The war disrupted not just extraction but also refining capacity, and the downstream infrastructure is slower to recover than upstream production.
So you have a situation where crude is cheap and abundant, but gasoline, diesel, and jet fuel are still constrained. Refinery margins are fat, and those margins are a signal that the war's impact on the energy system is far from over. The crude price drop makes headlines, but the tight product market is what consumers actually feel at the pump.
THE RISK THAT FLIPS THE SCRIPT
The IEA's warning is not just about the present contraction. It is about the fragility of the recovery. Despite the reopening of the Strait of Hormuz and the first build-up in global oil stocks since the war began, re-escalation of U.S.-Iran hostilities could completely flip the outlook for an oil market surplus next year.
WHAT IT ADDS UP TO
The global oil market is in an unusual phase. Demand is down for the first time in five years, but the cause is war rather than pandemic. Supply has recovered partially but remains below pre-war levels. Crude is cheap, but products are tight, and refineries are making bank.
The IEA's data makes clear that the war has reshaped the market in ways that will not unwind quickly. Even with the Strait open and stocks building, the underlying vulnerabilities remain. A renewed conflict would not only reinstate the supply losses but could push demand into an even deeper contraction. For now, the market is caught between a demand collapse and a fragile supply recovery, with the next geopolitical tremor likely to determine which direction it breaks.
The oil traders who watched prices fall $31 in three weeks may be breathing easier. But the IEA is warning that the calm is conditional, and conditions can change fast.
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