Recently looking at all three of their hardware sales reports, Nintendo stands at just under 35 million units, Xbox 360 over 25 million units and ps3 over 17 million units. Seeing how companies like to overexagerate all their sales it is highly unlikely nintendo is lying on this one as it is showing a number over 2.5 million less than vgchartz data.
http://www.gamespot.com/news/6201735.html?tag=latestheadlines;title;2