The following list of countries by smartphone penetration was measured by Google's Our Mobile Planet in 2013.
Reference 1: Penetration %.
Reference 2: United Arab Emirates, South Korea, Saudi Arabia, Singapore, Norway, Australia, Sweden, Hong Kong, United Kingdom, Denmark, Ireland, Israel, Canada, United States, Spain, Switzerland, New Zealand, Netherlands, Taiwan, Austria, China, Slovakia, Finland, France, Czech Republic, Italy, Germany, South Africa, Philippines, Mexico, Russia, Poland, Malaysia, Hungary, Belgium, Greece, Portugal, Thailand, Argentina, Turkey, Romania, Brazil, Japan, Vietnam, Indonesia, Ukraine and India.
Source: http://en.wikipedia.org/wiki/List_of_countries_by_smartphone_penetration
Reference 2: United Arab Emirates, South Korea, Saudi Arabia, Singapore, Norway, Australia, Sweden, Hong Kong, United Kingdom, Denmark, Ireland, Israel, Canada, United States, Spain, Switzerland, New Zealand, Netherlands, Taiwan, Austria, China, Slovakia, Finland, France, Czech Republic, Italy, Germany, South Africa, Philippines, Mexico, Russia, Poland, Malaysia, Hungary, Belgium, Greece, Portugal, Thailand, Argentina, Turkey, Romania, Brazil, Japan, Vietnam, Indonesia, Ukraine and India.
Source: http://en.wikipedia.org/wiki/List_of_countries_by_smartphone_penetration
