China is worlds largest mobile market with over 950 million mobile phones followed by India which has over 870 million mobile phones and USA which has over 327 million mobile phones.
Following infographic from somobile highlights some of the key statistics about US, China, UK, India, Australia and Russia market. For USA an intersting fact is that 51% use smartphone in Bed. In China, 70% of the mobile phones are made and around 2.7 billion SMS texts are sent everyday.
As far as India is concerned 53% of adults have lost their phone or had it stolen. Despite this 6/10 have mobile software that identifies their location and online banking.