The world’s passenger fleet will more than double to 48,000 aircraft in 20 years with traffic growing at a resilient 4.4% per year, driving a need for 37,390 new passenger and freighter airplanes according to Airbus’ new "Global Market Forecast 2018-2037".Growth drivers include private consumption increasing 2.4 times in emerging economies, higher disposable incomes and a near doubling of the middle cla...