Number of smartphone users worldwide from 2014 to 2020 (in billions)... | Download Scientific Diagram
Digital 2014: Half of the World's Population Now Has a Mobile Phone — DataReportal – Global Digital Insights
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Data shows the number of smartphone subscriptions has more than doubled during the last five years / Digital Information World
![Smartphone penetration worldwide by country for age group 55+, from... | Download Scientific Diagram Smartphone penetration worldwide by country for age group 55+, from... | Download Scientific Diagram](https://www.researchgate.net/publication/311740678/figure/fig3/AS:441340107464706@1482235089955/Smartphone-penetration-worldwide-by-country-for-age-group-55-from-2013-to-2015-11.png)
Smartphone penetration worldwide by country for age group 55+, from... | Download Scientific Diagram
![National smartphone penetration rates for the seven top countries in... | Download Scientific Diagram National smartphone penetration rates for the seven top countries in... | Download Scientific Diagram](https://www.researchgate.net/publication/256196406/figure/fig4/AS:297815189278726@1448016082701/National-smartphone-penetration-rates-for-the-seven-top-countries-in-the-world-data.png)