Total iPod Touch Sales Estimated at Over 45 Million
According to market research firm Asymco, Apple's iPod touch has been estimated to have sold more than 45 million units over its lifetime, or nearly 38% of the 120 million iOS devices cited by Apple CEO Steve Jobs at the company's media event...
http://www.macrumors.com/2010/09/06/total-ipod-touch-sales-estimated-at-over-45-million/