IEA cuts 2026 oil demand forecast to worst drop since pandemic

The International Energy Agency cut its 2026 global oil demand forecast by 940,000 barrels per day in its September report, now projecting worldwide consumption will fall by 2.5 million barrels per day this year — the largest annual demand drop since the COVID-19 pandemic and the second-worst in 60 years. The revision caps an eight-month deterioration that has seen the agency's outlook swing by more than 3 million barrels per day, from growth of 700,000 barrels per day in January to the current historic decline.247wallst+1

The demand destruction is a direct consequence of the Iran war and the near-closure of the Strait of Hormuz, which has taken more than 10 million barrels per day of Gulf production offline on security grounds. Global oil production fell 1.6 million barrels per day month over month in August to 100.1 million, and the IEA now forecasts total supply will drop 5.7 million barrels per day in 2026, with the recovery of Middle East output deferred until 2027.greenbuildingafrica+1

Inventories Draining, Products Tighter Than Crude

Global observed inventories have fallen by 507 million barrels since the conflict began, averaging a draw of 2.8 million barrels per day, with August alone accounting for a 95-million-barrel decline. The U.S. Energy Information Administration estimates stocks fell 3.9 million barrels per day in the second quarter and forecasts further draws of 3.0 million in the third and 1.7 million in the fourth.greenbuildingafrica+1

Refined products, not crude, are now the tightest segment of the market. Global refinery throughput reached a summer peak of 81.4 million barrels per day in August but remained 4.2 million barrels per day below last year. Diesel and gasoil prices in the United States exceeded $200 per barrel in early September, 94% above pre-war levels. European gasoil stocks sit 24% below their five-year average, and jet fuel inventories are down 39%. The IEA identified middle distillates as the constraint driving the demand cut, because those are the products refiners cannot easily backfill when Gulf crude grades disappear.prnewswire+2

Diplomacy and the Week Ahead

Gulf Cooperation Council diplomats were expected to meet their Iranian counterpart on Monday in Oman to discuss a possible temporary arrangement for managing shipping through the strait. That meeting is the week's most consequential event, though analysts caution that even a favorable outcome would not resolve the simultaneous crude, refining and freight shortages at once.prnewswire

The EIA raised its second-half 2026 Brent forecast by $8 to around $90 a barrel in its September 9 outlook and expects prices to ease to an average of $77 by the second quarter of 2027 as shut-in production restarts. OPEC, meanwhile, cut its 2026 demand growth forecast for a fifth consecutive time. The IEA has now deferred its expected Gulf recovery into next year, when it projects an 8-million-barrel-per-day supply rebound. Every additional month of disruption, the agency warned, widens the 2026 demand loss and locks in higher prices through the winter heating season.247wallst+1