Suez Canal

• 12% of world trade transits; the Europe–Asia shortcut.
• 12% of world trade in a ditch. One stuck ship in 2021 taught the lesson; the watch never closed.

Bureau read: 1 countries sit on this passage; the highest-scored is Egypt (64.86/100). A chokepoint is judged by how many navies can hold it — and by the power of those who border it.