The data shows the median number of volunteer hours per volunteer in the U.S. from 2003 to 2015. In 2015, the median number of hours volunteered by American adults was 52.
2003 | 52 |
2004 | 52 |
2005 | 50 |
2006 | 52 |
2007 | 52 |
2008 | 52 |
2009 | 50 |
2010 | 52 |
2011 | 51 |
2012 | 50 |
2013 | 50 |
2014 | 50 |
2015 | 52 |