http://www.econ.brown.edu/econ/sthesis/MattPapers/Paper8.html
82% of all companies offer some level of match, with 3% being average.
That was only Vanguard’s data from 2001, and the average firm participating had 1500 employees.
Since the majority of the American workforce is employed by small businesses, with under 500 employees, to suggest that Vanguard’s data can extrapolate to the larger economy is simply misleading.