Eight narrow passages where geography concentrates enough energy and cargo that a single closure cascades into higher freight rates and global supply disruption.
Shared by Malaysia, Singapore, and Indonesia, the Strait of Malacca carries 23 million barrels of oil daily, more than any other chokepoint, linking Middle Eastern suppliers to Asian markets.
full dossier ›The narrow Indonesian waterway between Sumatra and Java links the Indian Ocean to the Java Sea, serving as the secondary bypass route when the Strait of Malacca is congested or contested.