This is the tie ratio in USA, according to NPD Numbers:
- Xbox 360: software sales ratio: 7.5
- Wii: software sales ratio: 5.3
- PS3: software sales ratio: 4.6
Here is the link: http://www.joystiq.com/2008/04/24/npds-latest-software-tie-ratios-for-consoles/
What is the tie ratio worldwide, considering that the Wii leads in Europe and Japan in software?
PS. WiiSports is not counted by the NPD.








