How Many SMSes Sent WorldWide?

Gartner predicts that 2.3 trillion text messages will be sent through the major world markets in 2008 (up from 1.9 trillion SMSes in 2007)! And the leader, as one would expect is not USA which accounts for only 301 billion (up from 189 billion in 2007), but the Asian markets. Here is a prediction of the number of SMSes that were sent from some major Asian economies in 2007:

China : 560 billion
Philippines : 430 billion
Japan : 190 billion

Average SMSes per subscriber per day
US : 2
UK : 6
Singapore : 12
Philippines : 15
World Average : 2.1