Air passenger numbers will grow by 4.7% a year worldwide over the next two decades, planemaking company Airbus has predicted.
More than 27,000 passenger aircraft (of 100 seats or more) will be needed between 2012 and 2031, it said.
These aircraft are valued at around £2,330 billion and will include around 1,700 very large aircraft such as the Airbus A380 superjumbo whose wings are built in the UK.
Making their predictions at a media conference in London, Airbus chiefs said that by 2031 the total passenger fleet will have expanded from slightly over 15,500 planes today to more than 32,550.
Airbus said Asia Pacific will account for 35% of all new aircraft deliveries, followed by Europe and North America with 21% each. In value terms, the single biggest market is China followed by the United States, United Arab Emirates and India.
John Leahy, Airbus's chief operating officer for customers, said: "Aside from growth in international traffic, by 2031 four of the world's biggest traffic flows will all be domestic - US, China, within Western Europe and India - and these account for a third of world traffic.
"In 20 years from now, China's domestic passenger traffic will overtake the US domestic traffic to become the number one traffic flow in our forecast. Aviation is not just essential for international commerce, but also for domestic economies too."