Speaking as a former harbor master, operator of cargo ships, and a military specialist on the Mideast, the current war in Iran is a fool’s errand. The much-ballyhooed Strait of Hormuz is only 33 odd kilometers wide and averages only 220 meters deep. It’s a bottom-scraper for the huge oil tankers that use it. What will happen if the Iranians scuttle one or two large tankers in these narrow waters? The Egyptians did so in 1956 in Suez and jammed up world oil traffic for months.

While citizens of top-ranked nations enjoy visa-free access to nearly 200 destinations, the reality is starkly different for holders of the world’s weakest passports. This infographic, based on the latest Henley Passport Index, reveals the ten countries whose travel documents grant the least freedom of movement, often limiting holders to fewer than 50 visa-free destinations and highlighting a profound global inequality in the right to travel.