Global legitimate handset and smartphone sales volume will decline -2% annually in 2019 respectively. Under the best scenario, we expect handset and smartphone sales volume will rebound to +1% YoY and +3% YoY in 2020 respectively. However, under the worst scenario, we expect handset and smartphone sales volume will keep the downturn track in 2020. Both handset and smartphone market will pick up from 2021 driven by the 5G smartphones and new hardware innovations. Asia Pacific will remain by far the world's largest region. The "Big Five" countries globally will be China, India, the United States, Brazil and Indonesia by 2024. Emerging markets are outgrowing developed markets. Our extensive report forecasts global handset, smartphone and feature phone sales for 88 countries worldwide for two decades from 2002 to 2024. Every major country worldwide is covered, including United States, China, India, Indonesia, Russia, Brazil, Mexico, Japan, South Korea, South Africa, Saudi Arabia, UK, Germany, France, Italy, Spain, Sweden, and many others. This report can be used by operators, software developers, content developers, handset vendors, component makers, car manufacturers and other stakeholders to determine or prioritize the size and growth rate of the huge global mobile phone market.