LONDON, July 22, 2025 /PRNewswire/ -- Singapore holds the crown as the world's most powerful passport, with visa-free access to 193 destinations out of 227 globally, according to the latest  Henley Passport Index . The index is powered by exclusive Timatic data from the International Air Transport Association  (IATA) and ranks all the world's passports based on the number of destinations their holders can enter without a prior visa. Asian nations continue to lead the global mobility race, with Japan and South Korea sharing 2^nd plac...