the american population currently works way more than most developed countries. this is in part because america has no right to vacation.
http://stats.oecd.org/index.aspx?DataSetCode=ANHRS#
http://newsjunkiepost.com/wp-content/uploads/2011/01/Vacation-Laws-by-country.png
http://stats.oecd.org/index.aspx?DataSetCode=ANHRS#
http://newsjunkiepost.com/wp-content/uploads/2011/01/Vacation-Laws-by-country.png