This is a breakdown of Smartphone Penetration Rate by different countries. Smartphone Penetration Rate in 2015 is 83% in South Korea. The fastest growing market in our report is China with 45.16% growth in Penetration Rate over 3 years between 2013 to 2015. The market that suffers from the biggest downturn is Australia with 8.24% decline over the same period. This report represents data points consolidated from 2 sources: e Marketer and KPCB