Stats? Cite? The use of Linux may be increasing, but enough to qualify Asia as "moving to Linux?" Piracy of MS products is common throughout Asia, regardless of the occasional bootleg clampdown theater.
Because its free its difficult to track stats. Many are not connected to the Internet in Asia. China has mandated that all Internet cafe's use Red Linux. Schools are also changing to Linux. Type "linux India" into Google news and you will see evidence. Ms are common but that will change. Many were burned on vista, many will not upgrade to seven and when XP runs out, some more will go to Linux.