Emerging economies had lower priced smartphones and grew between 4 and 10% in units sold in 2017, according to data provided by GfK. Developed economies and China had flat or declining unit sales. The bubble chart maps unit sales growth and cost per unit by region.

1. Smartphone Growth Worldwide
Emerging economies had lower priced smartphones and grew between 4 and 10%
in units sold. Developed economies and China had flat or declining unit sales.