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Life & fun · March 13, 2026

Global Maritime Chokepoints

Interactive reference guide to the world

Global Maritime Chokepoints launched on March 13, 2026 with 16 votes, #953 of 23,380 launches that month and more than 90% of that year's launches.

Visit ryanshook.org ↗Alternativestop 4% of March 2026

In plain words

Global Maritime Chokepoints is an interactive resource that maps and explains the world's critical shipping passages. Launched in March 2026, it helps users understand the strategic waterways that control international trade and maritime traffic. The tool is designed for students, researchers, policy makers, and anyone interested in geopolitics and global commerce. It presents information about major chokepoints like the Strait of Malacca and Suez Canal, making complex maritime geography accessible through visualization and detailed explanations.

written from the facts on this page · September 2026

From the sources

There are roughly 200 straits worldwide, but only a handful function as true chokepoints — narrow passages where geography concentrates shipping into corridors that cannot be easily bypassed. This page covers 18 of the most strategically significant. They matter because the global economy runs on maritime trade: over 80% of world goods move by sea, and disruption at any one of these bottlenecks can ripple across energy markets, supply chains, and food security within days. That is not hypothetical in 2026: two of the three most important energy chokepoints — Hormuz and Bab el-Mandeb — are disrupted simultaneously as of thisfrom ryanshook.org

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    Is Hormuz open yet?Apr 2026 · ishormuzopenyet.com · ▲484

    I built this because I was interested in the data. Didn't fully get it to what I wanted, but thought I'd share it nonetheless. Maybe someone has better data sources they could share! Turns out live ship tracking APIs are expensive so I manually just copied the json from https://www.marinetraffic.com/en/ais/home/centerx:57.4/cente... I'll probably have an ai agent do the same thing on some cron interval, if this gets any fanfare. To actually know if the port is open without live ship tracking I found…

  • I simulated closing the Strait of Hormuz on real oil trade dataJul 2026 · globaloilnetwork.staffinganalytics.io · ▲244

    OP here: I created this visualization tool as the byproduct of a supply chain class I taught at Columbia. The pedagogical exercise grew into a full blown visualization and paper about global oil trade. The model: The mechanics are the same as the financial network Eisenberg-Noe: Instead of banks, every country consumes oil interconnected via bilateral trading. Shocks propagate throughout the network, depleting oil reserves when bottleneck nodes (such as the Strait of Hormuz) are blocked. Insights: The interesting part is the mechanics of how the crisis unfolds: for example, France receives 0…

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