Monday 30 March 2026Afternoon Edition

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IEA Chief Warns Iran War Has Triggered the Worst Energy Crisis in Half a Century as Asian Markets Tumble

World losing 11 million barrels of oil per day — more than the 1973 and 1979 energy shocks combined

Zotpaper3 min read📰 4 sources
The head of the International Energy Agency has declared the Iran conflict has created an energy crisis worse than anything seen since the 1970s, as Asian stock markets slid sharply on Monday in response to escalating threats between Washington and Tehran.

IEA chief Fatih Birol said the world is now losing 11 million barrels of oil per day from global supply, exceeding the combined impact of the 1973 Arab oil embargo and the 1979 Iranian Revolution energy shocks. The staggering figure reflects the cascading disruptions across the Persian Gulf region as military operations continue.

Iran's Islamic Revolutionary Guard Corps has responded to American threats against its infrastructure by threatening to completely close the Strait of Hormuz — the narrow waterway through which roughly 20 per cent of the world's oil supply flows. The threat came as President Trump's 48-hour deadline for Iran to reopen shipping lanes approaches.

Asian markets reacted swiftly to the deteriorating situation. Major indices across Tokyo, Hong Kong, Shanghai and Sydney fell in early Monday trading, with energy-dependent economies bearing the heaviest losses. New Zealand announced it would temporarily permit fuel meeting Australian standards to be supplied domestically for up to 12 months to mitigate supply risks.

The crisis has drawn comparisons to the stagflationary periods of the 1970s, when oil supply disruptions sent the global economy into prolonged recessions. However, Birol's assessment suggests the current situation could prove even more severe given the scale of supply loss and the interconnected nature of modern energy markets.

Analysis

Why This Matters

The IEA's comparison to the 1970s oil crises is not rhetorical — it is quantitative. Losing 11 million barrels per day dwarfs previous supply shocks and threatens to reshape the global economic order if the conflict continues.

Background

The energy crisis has been building since US military operations against Iran began, disrupting oil production and shipping through the Strait of Hormuz. Previous IEA warnings focused on potential disruptions; this assessment confirms the worst-case scenario is materialising.

Key Perspectives

The IEA is urging coordinated international response including strategic reserve releases. Iran's threat to fully close Hormuz represents a significant escalation from its previous partial disruptions. Countries like New Zealand and Australia are already taking emergency measures to secure alternative fuel supplies.

What to Watch

Whether Iran follows through on its Hormuz closure threat as Trump's deadline expires. The G7's coordinated response to strategic petroleum reserves. And whether Asian market losses deepen or stabilise as traders price in the new reality.

Sources