PDA Operating System (OS) Market Share 2005
Worldwide Preliminary PDA Vendor Shipment Estimates by Operating System, 2005 vs 2004
  Shipments 2004 Share(%) Shipments 2005 Share(%)  Growth(%)
Windows CE 1006923 36,6 1653638 45,7 64,2
Research In Motion 510000 18,6 840000 23,2 64,7
Palm OS 1147667 41,8 678570 18,8 -40,9
Symbian 0 0 275000 7,6
Linux 27500 1 28000 0,8 1,8
Others 56710 2,1 140000 3,9 147,6
Total* 2748800 100 3615608 100 31,5
Source: Gartner Dataquest (July 2005)
Notes: * Totals do not include smartphones, such as the Treo 650 and BlackBerry
  7100, but include wireless PDAs, such as the iPAQ 6315 and Nokia 9300.
* Columns may not add to totals shown because of rounding.