Boeing said on Thursday it expects Indian and South Asian airlines will add 2,835 commercial aircraft to their fleet over the next 20 years, a four-fold increase over current levels, as a rising middle class and healthy economic growth spur travel.

Boeing has revised its market outlook for India and South Asia, projecting that airlines in the region will add 2,835 commercial aircraft to their fleets over the next two decades. This represents a nearly fourfold increase from current levels and a higher forecast than last year’s estimate of 2,

Boeing said on Thursday it expects Indian and South Asian airlines will add 2,835 commercial aircraft to their fleet over the next 20 years, a four-fold increase over current levels, as a rising middle class and healthy economic growth spur travel.

Boeing projects that South Asian carriers will need 2,835 new airplanes over the next 20 years, driven largely by demand from India. The aviation market in this region is expected to grow rapidly, with aircraft fleet set to quadruple by 2043.