The Strait of Hormuz has been closed for over a month due to an ongoing conflict in Iran, halting global energy shipments.

This disruption represents a critical threat to the global economy because the narrow passage between Oman and Iran serves as a primary artery for the world's energy needs. The closure has severed a key route that carries approximately 20% [1] of the world's oil and gas supplies.

Industry analysts said the current situation is the largest oil supply disruption in the history of the global oil market [4]. The scale of the impact is unprecedented, surpassing the combined effects of the 1973 and 1979 oil crises [3].

The waterway has remained closed for well over a month as of April 2026 [2]. This prolonged blockage has forced nations to seek alternative energy sources and navigate a volatile market characterized by extreme supply shortages.

Because the Strait is the only viable route for significant volumes of oil and gas from the region, there are few immediate alternatives to replace the missing 20% [1] of global supply. The disruption is not merely a temporary delay but a systemic failure of the energy corridor that has historically underpinned global price stability.

Experts said the severity of this crisis is accelerating a shift in how nations approach energy security. The reliance on this single, contested point of failure has exposed vulnerabilities in the international supply chain that were previously underestimated.

The disruption is larger than the 1973 and 1979 oil crises combined

The closure of the Strait of Hormuz transforms a regional conflict into a global economic crisis. By removing one-fifth of the world's oil and gas from the market, the event creates a permanent incentive for industrialized nations to accelerate the transition to renewable energy and diversify supply chains to eliminate dependence on a single, high-risk maritime chokepoint.