UN Secretary-General António Guterres has called for the immediate reopening of the Strait of Hormuz, one of the world's most critical oil and gas shipping lanes.

Why the Strait of Hormuz Matters

The Strait of Hormuz sits between Iran and Oman at the mouth of the Persian Gulf. Around 20% of the world's oil supply passes through it daily, along with large volumes of liquefied natural gas from Qatar and the UAE. Any disruption there ripples through global energy markets almost instantly, pushing up prices for crude oil, fuel, and electricity.

Guterres's call signals that the waterway is currently restricted or under threat of closure, though the specific cause or actor behind the disruption is not detailed in available reporting. The UN chief's public appeal is itself a signal of urgency — such direct calls from the Secretary-General are relatively rare and suggest diplomatic channels have not yet resolved the situation.

What Happens If It Stays Closed

A prolonged closure or even sustained uncertainty around the strait tends to push oil prices higher as traders price in supply risk. Countries that import Gulf crude — including India, China, Japan, and South Korea — would face tighter supply and higher costs. India is particularly exposed, as it sources a significant share of its oil from Gulf producers whose exports transit the strait.

Shipping insurers typically raise war-risk premiums when the strait is under threat, increasing costs for tanker operators and, ultimately, for buyers of the oil and gas carried. Energy-intensive industries and fuel importers feel this pressure first.

The broader concern is escalation. If a state actor is involved in restricting transit, the UN appeal adds diplomatic and reputational pressure but carries no enforcement mechanism on its own. Guterres's statement puts the issue on the international record and may be a precursor to a formal UN Security Council discussion.

Watch for follow-up statements from major oil producers, tanker operators, and Gulf states, as well as any Security Council meeting called in response.