International RelationsSecurity
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Strait of Hormuz: 20% Global Oil, 25% LNG Trade Disrupted; Iran's Coastal Missiles Enforce 'War Zone' Status Under UNCLOS Transit Passage Dispute

Target:UPSC GS-IIMPSCSSC GATeachingPrelims HighMains HighStatic GK Link
10 Apr 2026
~2 min
Source: Indian Express
Key Data:20% of global oil trade25% of global LNG tradeInsurance premium hike 400% to 600%Territorial waters limit 12 nm
Bodies:UNCLOS
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What This Article Covers

1.The Strait of Hormuz, handling 20% of global oil and 25% of LNG trade, is under a de facto blockade by Iran using coastal missiles and sea mines, declared a 'war zone' after a US-Israeli attack.

2.The crisis highlights the clash between Iran's application of the restrictive 'Innocent Passage' clause and the UNCLOS 'Transit Passage' regime designed to ensure free flow through international straits.

3.For India, the strait is a vital 'jugular vein', making this a critical case study for International Relations on maritime law, energy security, and strategic leverage in global choke points.

The Big Picture
Prelims · HighMains · High

The Strait of Hormuz, a critical global maritime choke point, is effectively closed after being declared a 'war zone' by Iran, disrupting 20% of global oil and 25% of LNG trade. This action tests the UNCLOS regime of 'Transit Passage' and illustrates how geography can be weaponized, posing severe economic and security implications for energy-importing nations like India.

Exam Lens

Quick Exam Facts From News

Oil Trade ImpactNearly 20% of global oil
LNG Trade ImpactNearly 25% of global LNG
Territorial Waters Limit12 nautical miles (UNCLOS)
Insurance Premium Hike400% to 600%

1-Minute Revision

  • ›Oil Trade Impact: Nearly 20% of global oil
  • ›LNG Trade Impact: Nearly 25% of global LNG
  • ›Target this Data: 20% of global oil and 25% of global LNG trade passes through the Strait of Hormuz.
  • ›Target this Nodal Body: United Nations Convention on the Law of the Sea (UNCLOS) and its related regimes.
  • ›Target this Legal Point: The difference between 'Transit Passage' (cannot be suspended) and 'Innocent Passage' (can be suspended) under UNCLOS.

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Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

The article discusses the legal regime of 'Transit Passage'. Under which international convention is this regime defined?

Q2Statement-basedHard

Consider the following statements regarding the Strait of Hormuz crisis as discussed in the article:

1. The entire navigable corridor of the Strait of Hormuz falls within the territorial waters of Iran and Oman.

2. Iran has ratified the United Nations Convention on the Law of the Sea (UNCLOS) and is applying the 'Transit Passage' regime.

3. The principle of 'Mare Liberum' or 'free sea' was proposed by the Dutch jurist Hugo Grotius.

Which of the statements given above is/are correct?

Q3Data-centricMedium

According to the article, what approximate percentage of global Liquefied Natural Gas (LNG) trade passes through the Strait of Hormuz?

Q4Application/ImpactMedium

What is the primary strategic reason cited in the article for Iran's ability to enforce a de facto blockade of the Strait of Hormuz despite the destruction of its navy?

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