| Year | Average weekly terrestrial listenership |
|---|---|
| 2005 | 25,300,000 |
| 2006 | 25,500,000 |
| 2007 | 25,500,000 |
| 2008 | 26,400,000 |
| 2009 | 26,400,000 |
| 2010 | 27,200,000 |
| 2011 | 26,800,000 |
| 2012 | 26,000,000 |
| 2013 | 27,300,000 |
| 2014 | 26,200,000 |
| 2015 | 26,000,000 |
Source: NPR, based on data from Nielsen Audio Nationwide, for persons 12+. “State of the News Media 2016”
