Energy Agency cuts estimates: in 2026 oil demand contracts by 1.6 million barrels per day
The August monthly report revises downward the forecasts for the second half of the year and attributes the contraction to the closure of the Strait of Hormuz. Observed global inventories fell by 69 million barrels in July, by 410 million since the start of the war.
The oil market is learning to function with less crude in circulation, and the figures in the International Energy Agency’s monthly report for August 2026 measure the cost of this adaptation. The Oil Market Report reduces the forecast for global demand in the second half of the year by about 550 thousand barrels per day compared to the previous month’s estimate.
The contraction of the year
The figure that summarises 2026 is a minus sign: the Agency estimates that global demand will contract on average by 1.6 million barrels per day over the whole year, an effect attributed to the closure of the Strait of Hormuz. The same projection, however, points to a return to growth in the fourth quarter, with an additional 580 thousand barrels per day.
| Item | Value |
|---|---|
| Second-half demand revision | −550 thousand barrels/day |
| Average 2026 demand | −1.6 million barrels/day |
| Fourth-quarter 2026 demand | +580 thousand barrels/day |
| Observed inventories, July change | −69 million barrels |
| Observed inventories, change since the start of the war | −410 million barrels |
A contraction in demand in a year of war does not mean that the world is voluntarily consuming less energy: it means that part of the crude simply does not arrive where it would be consumed. This is a distinction that changes how the figure should be read. It is not a signal of energy transition, it is a logistical constraint that translates into missed consumption.
Inventories are being drawn down
The most telling figure in the report concerns inventories. Global observed oil stocks fell by 69 million barrels in the month of July alone, dropping to just under 7.9 billion barrels; since the start of the war the cumulative reduction stands at 410 million barrels.
Inventories are the cushion that allows the system to absorb a disruption without the price exploding. As long as they are being drawn down, the price remains relatively contained and the blockage appears manageable; when the cushion thins out, every further episode of disruption is discharged directly onto prices. The rate of erosion recorded in July is the variable to watch more closely than the daily quotation.
Distillates and refining margins
The report also notes that refining margins in the Atlantic basin hit historic highs in July, due to strain on distillates. This is the market segment — diesel and heavy fuels — that first affects transport, agriculture and industrial logistics, and which therefore transfers the rise in costs to the real economy more quickly than petrol does.
The fact that it is margins rising, and not only the price of crude, indicates that the bottleneck lies not only in extraction: it lies in the capacity to process and deliver the right product to the right place.
Prices and other forecasts
On the market, on 14 August 2026 Brent was trading around 87 dollars a barrel after a 2.2% fall in the previous session, with WTI around 81 dollars, according to Bloomberg data. The short-term forecast picture is also updated by the Short-Term Energy Outlook from the U.S. Energy Information Administration, published on 11 August.
A price that falls while inventories empty out is an unstable combination: it reflects the expectation of a reopening of the passage more than an improvement in supply. The parameter to follow in upcoming readings remains the pace of inventory depletion: 69 million barrels fewer in July alone, 410 million since the start of the war.
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