• US cellphone users (about 285 million subscriptions) represent only 7% of the global subscriber base of 4.6 Billion.
• While Americans are now getting heavily into smartphones, Forrester.reported that the total installed base of smartphones in the USA is only 17%. The EU projects that for the EU region, smartphones will be half of all phones this year.
• A couple of years ago, the Symbian operating system was owned across several giant handset makers (Nokia part owned with SonyEricsson, Samsung, Motorola etc) and had over 60% market share. Now being only Nokia’s owned operating system, its installed base is about 50% of the world’s smartphones and currently sell a little over 40% of the world’s smartphones.
• 75% of American business/enterprise smartphones are Blackberries (says Ostermann survey in 2009)
• Today one in five smartphones sold – actually already 21% by the third quarter of 2009 – was a Blackberry. Remember that only 17% of smartphones are Apple iPhones.
• A survey by TBI Research in 2009 found that 80% of US businesses refuse to have more than one operating system for smartphones – and in most cases that is now the Blackberry.
• Out of all iPhones ever sold, 43% have been activated by AT&T
• HTC is the fourth largest smartphone maker with about 5% of the market.
• HTC CEO said in 2009 that 80% of all WinMo phones ever made, were manufactured by HTC.
• Samsung had previously held something like 3% market share in smartphones, but – in feature phones with touch screens – they already outsell the iPhone.
• Motorola’s global handset market share has been in total freefall for years – they have gone from 22% to 5% in three years.
• Palm sells only about 800,000 smartphones per year

From: http://communities-dominate.blogs.com/brands/2010/01/a-bloodbath-for-2010-the-smartphone-market-preview.html