PARIS—Here are the highlights of Boeing’s annual Commercial Market Outlook (2021-2040) released on Tuesday, compared with the two previous editions. 20-Year Forecast Publication date: 2019 2020 2021 Traffic 4.6 percent 4.0 percent 4.0 percent GDP 2.7 percent 2.5 percent 2.7 percent Starting Fleet 25,830 25,900 25,900* Deliveries 44,040 43,110 43,610 Regional 2,240 2,430 2,390 Single-aisle 32,420 32,270 32,660 Wide-body 8,340 7,480 7,670 Freighter 1,040 930 890 Closing Fleet 50,660 48,400 49,405 * 2019 starting fleet 10-Year Forecast Publication date: 2019 2020 2021 Deliveries 20,550 18,350 19,330