Source: Airlines for America. IATA. Air transportation has experienced a high growth rate since the 1970s, with air freight growing at a rate similar to that of passengers. The growth of air traffic has also been characterized by several setbacks linked with recessions (1973-1975; 1980-1984; 1990-1991; Asian Crisis of 1997; … Continue reading World Air Travel and World Air Freight Carried, 1950-2021