"Nintendo's seventh generation home console, the Wii, was first released in November 2006. The console became an instant hit being nearly sold out for its first couple years on the market. It ended up selling nearly three million units in less than two months and sell nearly 20 million units by the end of 2007. It would sell an additional 24 million units in 2008 its bestselling year.
The Wii has reached 100 million units as of the week ending September 21, 2013. The Wii is the first seventh generation home console to reach this milestone. The Wii is currently 20.3 million units ahead of the PlayStation 3 and 21.3 million units ahead of the Xbox 360."