The International Monetary Fund has cut its 2026 global growth forecast to 2.8 percent — down sharply from 3.2 percent in January — citing the Iran war oil shock, the Hormuz Strait shipping disruption, and elevated geopolitical uncertainty in its Spring 2026 World Economic Outlook.
Advanced economies are projected to grow at just 1.4 percent, the slowest pace since the 2020 pandemic recession. The euro zone is forecast at 0.9 percent growth, weighed down by energy costs and trade exposure. The United States is at 1.9 percent, down from 2.3 percent in the January forecast.
Africa: The Relative Bright Spot
Sub-Saharan Africa is the notable outperformer in the IMF’s revised outlook, projected at 3.9 percent growth in 2026 — above the global average and unchanged from January. The IMF attributes this resilience to commodity revenue from gold, cocoa, and agricultural exports; accelerating infrastructure investment (particularly in Ghana, Kenya, and Ethiopia); and a growing consumer class driving domestic demand.
Ghana specifically is cited as a recovery success story, with growth revised upward to 5.2 percent thanks to fiscal stabilisation under the IMF programme and the 24-Hour Economy initiative.
The Iran War Variable
IMF chief economist Pierre-Olivier Gourinchas said the institution is running scenarios around the April 21 Iran-US ceasefire deadline. If the ceasefire collapses and the Hormuz blockade intensifies, the IMF estimates oil could reach $115 to $120 a barrel — taking an additional 0.4 to 0.6 percentage points off global growth.
“The world is navigating in a minefield,” Gourinchas said. “The single most important near-term variable for the global economy is what happens in the Strait of Hormuz in the next 72 hours.”
Source: IMF World Economic Outlook, April 2026
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