Worldwide hardware unit sales (increase/decrease year-on-year ):
PS2: 13.73 million units (a decrease of 0.98 million units)
PSP: 13.89 million units (an increase of 4.36 million units)
PS3: 9.24 million units (an increase of 5.63 million units)Worldwide software unit sales (increase/decrease year-on-year ):
PS2: 154.0 million units (a decrease of 39.5 million units)
PSP: 55.5 million units (an increase of 0.8 million units)
PS3: 57.9 million units (an increase of 44.6 million units)Source
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