Did You Know? The Strait of Hormuz Is Only 33 KM Wide — Yet Controls 20% of World's Oil
Story By -
Jack Miller 2026-04-07 Did You Know, General Knowledge 16
You have heard the name almost every day in the news since February 2026. The Strait of Hormuz. Crude prices. India's fuel bills. The Iran war. But what exactly is this stretch of water, and why does a channel that is barely wider than the distance between Delhi's Connaught Place and Gurugram hold the entire world's energy supply hostage?
The answer is more fascinating — and more alarming — than most people realise.
Where Is It?
The Strait of Hormuz is a narrow sea passage that connects the Persian Gulf on the west to the Gulf of Oman and the Arabian Sea on the east. On its northern coast sits Iran. On the southern coast are Oman's Musandam Peninsula and the United Arab Emirates.
At its narrowest point, the Strait is just 33 kilometres wide — roughly the distance you would drive from Mumbai's Bandra to Thane. But within those 33 km, the actual usable shipping lane is even smaller. Oil tankers travel in two lanes, each just 3 kilometres wide, separated by a 3-kilometre buffer zone. So the world's most critical energy corridor — the one that keeps the lights on across Asia — is functionally six kilometres wide.
That is less than the width of many Indian districts.
How Much Oil Passes Through It?
This is where the numbers become staggering.
Every single day, approximately 20 million barrels of crude oil and petroleum products pass through the Strait of Hormuz. According to the US Energy Information Administration and the International Energy Agency, this represents roughly 20 percent of total world petroleum liquids consumption and about 27 percent of all seaborne oil trade on the planet.
In addition, the Strait carries approximately 20 percent of the world's total LNG (Liquefied Natural Gas) trade — the fuel that heats homes and powers factories across Asia and Europe.
On any given normal day, roughly 100 to 138 commercial vessels pass through the Strait. Over a full year, that is more than 30,000 tankers — among them the world's largest crude carriers, vessels so enormous they cannot fit through the Suez Canal.
The oil passing through comes from Iran, Iraq, Kuwait, Qatar, Saudi Arabia, and the UAE. Saudi Arabia alone accounts for about 37 percent of all crude transiting the Strait. Iraq follows at nearly 23 percent.
Who Depends on It?
Here is the most important fact for any Indian reader: about 84 percent of all oil that exits through the Strait of Hormuz goes to Asian markets. The USA, by comparison, gets only about 7 percent of its crude imports through this route.
The four biggest buyers are China, India, Japan, and South Korea — together they account for 69 percent of all Hormuz crude flows. Japan gets approximately 75 percent of its total oil from the Middle East. South Korea around 60 percent. China and India each around 50 percent.
India specifically: Before the current crisis, approximately 45 percent of India's crude oil imports passed through the Strait of Hormuz. India consumes roughly 5.5 million barrels of oil per day and imports 85 to 90 percent of its needs. That makes the Strait directly connected to your petrol pump, your cooking gas, your electricity bill, and the price of almost everything that is manufactured or transported in this country.
But crude oil is not even India's biggest vulnerability at Hormuz. India imports about 60 percent of its total LPG consumption, and nearly 90 percent of those LPG imports normally transit the Strait. This is the cooking gas used by hundreds of millions of Indian households. When Hormuz is disrupted, it is not just petrol that gets expensive — it is the cylinder in your kitchen.
Why Does Iran Control It?
Geography is the answer. Iran's coastline runs along the entire northern edge of the Strait. Iran also controls several strategically located islands within and near the Strait — including Qeshm Island, Hormuz Island, Abu Musa, and the Greater and Lesser Tunb islands.
From these positions, Iran can deploy anti-ship missiles, naval mines, fast attack boats, submarines, and coastal missile batteries. This gives Iran what military analysts call "asymmetric leverage" — the ability to threaten a chokepoint that affects the entire global economy, even without a conventional military match for the USA or NATO.
In the current 2026 war, Iran declared the Strait closed and announced that any vessel attempting to pass would be attacked. The result has been a more than 95 percent drop in tanker traffic through the Strait since early March — the largest disruption to global oil supply in recorded history, larger than the 1973 Arab oil embargo, the 1979 Iranian Revolution, or the 1990 Gulf War.
Are There Alternatives?
Limited ones, and none that can replace the Strait fully.
Saudi Arabia operates the East-West Pipeline (Petroline), which runs from Abqaiq near the Persian Gulf to the port of Yanbu on the Red Sea, bypassing the Strait entirely. Its expanded capacity can handle up to 7 million barrels per day. The UAE operates its own pipeline to the port of Fujairah on the Gulf of Oman. Together, these two pipelines could theoretically bypass about 2.6 to 5 million barrels per day.
But the Strait normally handles 20 million barrels per day. Even at maximum bypass capacity, the pipelines cover only about 25 percent of normal Hormuz throughput. For the other 75 percent — including most of Iraq's, Kuwait's, Qatar's, and Iran's own exports — there is no practical alternative route. The oil either moves through the Strait or it does not move.
Quick Facts — Strait of Hormuz at a Glance
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Fact
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Detail
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Location
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Between Iran (north) and Oman/UAE (south)
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Narrowest Width
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33 km (21 miles)
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Shipping Lane Width
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3 km each direction
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Daily Oil Transit
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~20 million barrels
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Share of World Oil
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~20% of global consumption
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Share of World LNG
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~20% of global LNG trade
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Daily Vessels
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100–138 commercial ships
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Asia's Share
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84% of all Hormuz oil goes to Asia
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India's Dependence
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~45% of crude imports via Hormuz
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India's LPG Risk
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~90% of LPG imports via Hormuz
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Top Exporters
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Saudi Arabia, Iraq, UAE, Kuwait, Iran
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Top Importers
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China, India, Japan, South Korea
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Bypass Options
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Saudi East-West pipeline + UAE Fujairah
pipeline (~25% capacity)
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Why This Matters for You — Right Now
The Iran war that began on February 28, 2026, has made the Strait of Hormuz more than a geography lesson. It is the direct reason why petrol prices at Indian government pumps are under pressure, why cooking gas cylinders cost more, why airline tickets are expected to rise by May, and why the Indian government cut excise duties on fuel to absorb the shock.
The world's most important energy corridor is 33 kilometres wide, controlled by a country that is currently at war, and there is no backup that can fully replace it. That is the reality behind every news headline you have read about oil prices, Iran, and India's economy this year.
For more news and awareness updates on topics like this, visit Nextgen Gpost.
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