43% of all PDAs sold in 2004 had Windows CE

The Windows CE operating systems have steadily gained share in the PDA OS market. In 2003, Windows CE accounted for 37.7% of the worldwide PDA OS market. In 2004, Windows CE became the #1 PDA OS when it accounted for 43% of OS shipments. Palm OS has slipped from 50% of OS shipments in 2003 to 36.3% market share in 2004.