Strait of Malacca: The Oil Chokepoint Bigger Than Hormuz
The Strait of Malacca carried about 23.2 million barrels of oil a day in the first half of 2025 — more than the Strait of Hormuz (20.9 million) and roughly a fifth of world petroleum supply — through a channel just 1.7 miles wide at its narrowest. The 2026 Hormuz crisis put it back in the spotlight: when one chokepoint closes, the market starts stress-testing the next one.
Why it carries more oil than Hormuz, with less drama
Malacca is the shortest sea lane between the Persian Gulf and East Asia — the delivery pipe for the crude that Hormuz exports. Nearly everything that leaves the Gulf for China, Japan, South Korea, and Singapore's refining hub funnels through it. It out-carries Hormuz because it also aggregates flows from West Africa, Brazil, and Russia heading east. What it lacks is a single hand on the tap: the strait borders Malaysia, Singapore, and Indonesia, three states whose economies depend on it staying open. Iran could declare Hormuz closed in February 2026; nobody can declare Malacca closed. Its risks are physical instead — groundings, collisions, and piracy in the Phillips Channel bottleneck — and strategic: China's dependence on the lane is famous enough to have a name, the Malacca dilemma.
What the 2026 crisis changed
Nothing physical — traffic flows normally — but the risk map got redrawn. With Hormuz contested for months, insurers, planners, and navies began war-gaming the second chokepoint, and coverage of Malacca spiked accordingly. The honest read: Malacca disruption remains a tail risk, but it is the tail risk that would stack on top of a Gulf crisis rather than replace it, because the same barrels that survive Hormuz still have to get through Malacca. That compounding is why we track chokepoints as a system, not headlines in isolation — see how much oil moves through Hormuz and the Suez/Red Sea route, the third leg of the triangle.
Malacca: common questions
How much oil goes through the Strait of Malacca?
About 23.2 million barrels a day in the first half of 2025 (EIA) — roughly 22% of the world's petroleum supply, and more than the Strait of Hormuz (20.9M b/d). It is the shortest sea route between the Persian Gulf and East Asia's refineries.
Is the Strait of Malacca bigger than Hormuz for oil?
By volume, yes — and it has been for years. Hormuz gets the headlines because it can be closed by one state (as Iran demonstrated in 2026); Malacca borders three cooperative states and is far harder to shut, so it carries more oil with less drama.
Can the Strait of Malacca be closed?
Not the way Hormuz was. No single state controls it, and the alternatives (Sunda, Lombok) add days, not weeks. The realistic risks are congestion, collisions, and piracy in a channel just 1.7 miles wide at its narrowest — plus the strategic 'Malacca dilemma': China imports most of its seaborne oil through it.
Why is Malacca in the news during the Hormuz crisis?
Rerouting. With Hormuz contested through 2026, more cargoes sail longer routes and Asia's dependence on the Malacca lane became newly visible. A disruption in BOTH Hormuz and Malacca is the oil market's true nightmare scenario, which is why analysts started stress-testing the second chokepoint while the first was closed.