BILLION PC MARKET
The US has the largest number of PCs in use, with over 220 million. That's more than three times the number in Japan. The US, with about 4.6% of the world's population, accounts for over 27% of all PCs in use.
PC usage is growing rapidly in China, which is expected to surpass Japan in 2007. PC usage is also growing strongly in many populous countries such as Brazil, India and Russia. (full clip)