By contrast, the world’s most restrictive nations are in the former Soviet Union, north and central Africa, the Arabian peninsula, as well as China and the United States, with Europe, Brazil and Mexico not far behind, according to the International Civil Aviation Organization.
As for passports, various rankings put the likes of Singapore, Germany, Nordic countries, South Korea and the US at the top of a list of passports that confer the greatest visa-free travel rights on the holder (someone with a Singapore passport can visit 166 countries without getting a visa before they travel. Contrast that with the holder of an Afghanistan passport, who has only 30 visa-free countries to choose from).