1. Number of Smartphone Users Worldwide From 2014 to 2020 (in Billions)2016
2. Mobile Consumer Survey: The Australian Cut2017
3. Smartphones in the U.S.: Statistics and Facts2018
4. Share of Mobile Phone Users That Use a Smartphone in India From 2014 to 20192015
5. Share of Mobile Phone Users That Use a Smartphone in the Philippines From 2014 to 20202016