Tourism, broadly defned, is regarded as the world's largest industry and one o the astest-growing, accounting or over one-third o the value o total world-wideservices trade.
Highly labour-intensive, it is a ma!or source o employment generation, especially in remote and rural areas. Tourism demand, both domestic and international, is directly related to income levels, and thereore hasprospered as global wealth has increased. The arrival o low-cost air travel has radically transormed tourism as a whole, but the industry has e"pressed serious concern over the current system o bilateral aviation agreements, arguing that protectionism severely limits tourism potential.