Overview
The International Monetary Fund has cut its near-term growth outlook, citing higher energy costs and disrupted supply chains linked to the Iran war. In a newly released World Economic Outlook, the IMF laid out three possible trajectories for the global economy - a reference scenario, an adverse scenario and a severe scenario - each driven by differing assumptions about how long the conflict lasts and where oil prices settle.
Under the IMF's most optimistic reference case, which assumes a short-lived Iran war, world real GDP growth for 2026 is now projected at 3.1%, a downward revision of 0.2 percentage point from the January forecast. That baseline assumes an average oil price of $82 per barrel for all of 2026, lower than recent Brent futures around $100 per barrel.
Scenarios and headline numbers
The IMF presented three distinct scenarios to capture the range of possible outcomes depending on the conflict's trajectory and oil price dynamics:
- Reference scenario - Assumes the Iran war is short-lived. Global growth for 2026 is forecast at 3.1%, down 0.2 percentage point from January. The scenario uses an oil price assumption averaging $82 per barrel in 2026.
- Adverse scenario - Envisions a longer conflict that keeps oil prices near $100 per barrel in the current year and around $75 in 2027. Under this view, the IMF predicts global GDP growth would fall to 2.5% this year.
- Severe scenario - Assumes an extended, deepening conflict that drives much higher oil prices, triggers major financial market dislocations and tightens financial conditions substantially. This path would cut global growth to 2.0%, which the IMF described as a close call for a global recession.
The IMF noted that without the Middle East conflict it would have slightly upgraded its outlook - by 0.1 percentage point to 3.4% - supported by a continued boom in technology investment, lower interest rates, less severe U.S. tariffs and fiscal support in some countries. The report also observed that in January the IMF had expected oil to fall to about $62 in 2026, an assumption now overtaken by the conflict-driven surge in prices.
IMF commentary on scale of the risk
IMF chief economist Pierre-Olivier Gourinchas emphasized the magnitude of the current geopolitical shock, noting it poses a much larger threat to the global economy than the initial wave of steep tariffs that emerged a year earlier. "What’s happening in the Gulf is potentially much, much larger, and that’s what our scenarios are kind of documenting," he said, describing the scenarios as a way to capture that uncertainty.
Under the severe scenario, the IMF illustrated the potential for prolonged elevated oil prices to reshape inflation expectations and force monetary authorities into tighter stances. A protracted price environment with oil averaging $110 per barrel in 2026 and $125 in 2027 would, the IMF said, push up the view that inflation is persistent, lead to wider price increases and strengthen wage demands. That shift in expectations, Gourinchas warned, "is going to require central banks to step on the brakes and try to bring inflation back down," adding that it could require more economic pain than the tightening seen in 2022.
Inflation implications
The IMF's scenarios point to markedly different inflation outcomes. In the reference case - the baseline for country and regional forecasts - global inflation for 2026 is projected at 4.4%. In the severe scenario, however, global inflation would top 6% for 2026. The IMF noted that central banks might be able to "look through" a short-lived surge in energy prices and keep policy rates steady amid weaker activity, effectively delivering a de facto monetary easing - but only if inflation expectations remain firmly anchored.
Outlook for major economies
The IMF adjusted forecasts for key advanced economies, reflecting a mix of higher energy costs and offsetting factors such as tax cuts, interest rate reductions and investment in technology and data centers.
- United States - The IMF trimmed U.S. growth for this year to 2.3%, a reduction of 0.1 percentage point from January. The institution attributed the resilience partly to tax cuts, lagged effects from interest rate cuts, and ongoing investment in AI data centers. For 2027, U.S. growth is now forecast at 2.1%, up 0.1 percentage point from the January outlook.
- Euro zone - Still grappling with the fallout from higher energy costs tied to Russia's 2022 invasion of Ukraine, the euro area appears more vulnerable to the new Middle East shock. The IMF cut growth by 0.2 percentage point in both years, leaving projections at 1.1% for 2026 and 1.2% for 2027.
- Japan - Under the most benign scenario, Japan's growth is broadly unchanged at a modest 0.7% for 2026 and 0.6% for 2027. The IMF also signaled an expectation that the Bank of Japan will raise rates at a slightly faster pace than anticipated six months ago.
- China - The IMF lowered its 2026 forecast for China to 4.4%, down 0.1 percentage point from January, with higher energy and commodity prices partly offset by lower U.S. tariff rates and domestic stimulus measures. Structural headwinds mean China’s growth is projected to slow to 4.0% in 2027, a forecast unchanged from January.
Emerging markets and the Middle East
Emerging market and developing economies are expected to suffer more than advanced economies from the conflict, in part because of their greater dependence on oil inputs. Overall growth among these economies for 2026 is now seen falling by 0.3 percentage point to 3.9%.
The region at the epicenter of the fighting - the Middle East and Central Asia - is projected to take the largest hit. The IMF forecasts the region's 2026 GDP growth to fall by two full percentage points to 1.9%, reflecting widespread infrastructure damage and sharply curtailed energy and commodity exports. The IMF reported specific GDP declines for 2026 of 6.1% for Iran, 8.6% for Qatar, 6.8% for Iraq, 0.6% for Kuwait and 0.5% for Bahrain.
However, the IMF noted that if the conflict proves short-lived the region could rebound quickly, with 2027 GDP growth for the Middle East and Central Asia rebounding to 4.6% - an increase of 0.6 percentage point from January forecasts.
India stood out as an exception among emerging markets, receiving modest upward revisions. The IMF increased India's growth forecast by about 0.1 percentage point to 6.5% for both 2026 and 2027, citing momentum from strong late-year performance and a measure to reduce U.S. tariffs on Indian imports.
Fiscal choices around energy costs
Faced with rising fuel prices, the IMF warned that governments will be tempted to introduce measures to shield households and firms - measures such as price caps, fuel subsidies or tax cuts. At the same time, the fund cautioned against broad, long-lasting subsidies given the already elevated budget deficits and rising public debt in many countries. Gourinchas acknowledged that protecting vulnerable populations is "perfectly legitimate," but cautioned that subsidies implemented in one country could precipitate fuel shortages in others that cannot afford similar measures.
He urged policymakers to design support that is narrowly targeted and temporary so as not to disrupt the fiscal frameworks that countries need to rebuild buffers over time. "You have to do it in a very targeted, very temporary way that doesn’t really mess up the fiscal framework," he said.
Context on recession risk and historical benchmarks
The IMF observed that a global growth rate of 2.0% would represent a close call for a global recession. Growth has fallen below that threshold only four times since 1980, with the last two instances being the severe downturns in 2009, after the global financial crisis, and in 2020 amid the COVID-19 pandemic.
What remains uncertain
The IMF's three scenarios hinge on the duration of the Iran conflict, the path of oil prices and the responses of fiscal and monetary authorities around the world. Outcomes will depend on whether the current energy shock is transitory and whether inflation expectations remain anchored or become entrenched. The degree to which central banks can look through temporary energy-driven inflationary spikes without tightening policy further is a key variable determining how deep and broad any slowdown may become.
Conclusion
The IMF's revised outlook underscores the central role of energy markets and geopolitical risk in shaping the near-term global economic outlook. Even in the fund's reference scenario growth is reduced relative to January forecasts, while longer, costlier disruptions raise the specter of substantially weaker activity and materially higher inflation. Policymakers face a delicate balancing act between shielding vulnerable households and preserving fiscal flexibility, while central banks will confront difficult trade-offs if inflation expectations shift upward in response to prolonged elevated energy costs.