At the end of 2001, China had 139 airports for regular flights. In that year, the turnover of air freight reached 4.37 billion ton-km, the passenger turnover was 109.1 billion person-km, and the volume of freight, 1.71 million tons. China had a total of 1,143 scheduled flight routes, of which 1,009 were domestic air routes, reaching 130 cities, and 134 were international air routes, reaching 62 cities in 33 countries.
