How Much Oil Passes Through the Strait of Hormuz? Written and fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Mar. 27, 2026 •History How Much Oil Passes Through the Strait of Hormuz?, The Strait of Hormuz is the busiest choke point for the global oil trade after the Strait of Malacca. The roughly 20.3 million barrels of petroleum and crude oil that pass through the strait per day account for roughly 25 percent of the world’s maritime oil trade. Immediately after the outbreak of the 2026 Iran war, about 90 percent of traffic through the strait was diverted...

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