Last I heard, the worldwide total for the Xbox 360 was around 11 million. When it comes to Wii worldwide totals, I heard 7 million. Now IDC research firm is saying that they expect Nintendo to sell through 16 million Wiis worldwide in 2007. That is a pretty staggering number when you compare total Cube sales.
The full Bloomberg article has a ton of interesting info concerning Sony, Microsoft, and the console wars in general. There is even some talk of demographics, and just what age groups are buying certain platforms.