The size of the 30- to 120-seat airliner fleet will grow by 81 percent over the next 20 years, from 4,285 airplanes last year to 7,780 in 2029, by which time 21 percent of the current fleet (905 aircraft) will remain in operation, according to the latest 20-year market forecast issued by Embraer. Consequently, the world's airlines will generate demand for 6,875 jets worth $200 billion in the segment, according to the Brazilian manufacturer. The company projects that China will lead all regions in annual growth, at 7.3 percent, followed by Latin America, Asia-Pacific and Russia/CIS, each of which it expects to grow by 6 percent annually. It expects Africa to contribute annual growth of 5 percent, while North America and Europe grow at a rate of 3.5 percent per year.