Gartner has recently revealed smartphone Industry figures for Quarter 2, 2008 and things are looking good for Symbian, RIM and Apple. According to the figures:

Over 32 million Smartphones were shipped worldwide during the Q2, 2008 and there was a 15.7% growth rate in shipments during Q2, 2008 as compared to Q2, 2007.
Symbian is still the Industry leader with over 18 million shipments worldwide and 57.1% market share. It achieved 0.7% growth rate in Q2, 2008 as compared to Q2, 2007.
RIM has overtaken Windows Mobile to obtain the second position with over 5 million shipments and 17.4% market share. It achieved the second highest 126.4% growth rate in Q2, 2008 as compared to Q2, 2007.
Microsoft Windows Mobile came third with over 3 million shipments worldwide and 12.0% market share. It achieved 20.6% growth rate in Q2, 2008 as compared to Q2, 2007.
Linux secured the fourth position with over 2 million shipments and 7.3% market share. It achieved a negative 16.2% growth rate in Q2, 2008 as compared to Q2, 2007.
Apple Mac OS X secured the fifth position with over 800,000 shipments and 2.8% market share. It achieved the highest 230.6% growth rate in Q2, 2008 as compared to Q2, 2007.
Palm came sixth with over 700,000 shipments and 2.3% market share. It achieved 61% growth rate in Q2, 2008 as compared to Q2, 2007.
Other Smartphone manufacturers accounted for over 300,000 shipments and 0.9% growth rate.

Source: Engadget