Growth of US Podcast Audience

The American Podcast audience grew by over 285% last year to 18.5 million listeners. This number shall continue its dramatic rise to reach 65 million listeners by 2012. However the gap between active listeners (those who download one or more podcast per week) and the total audience shall continue to grow wide. The projected number of active podcast audience for 2007 and the coming years are:

2007 : 6.5 million
2008 : 10 million
2009 : 14 million
2010 : 17.5 million
2011 : 21.5 million
2012 : 25 million