currently lists 138,691 studies with locations in all 50 states and in 182 countries.

Locations of Recruiting Studies

Recruiting Study Location Count Pie Chart
Legend for Recruiting Study location pie chart image
Pie ColorLocation
    Non-U.S. Only (49%)
    U.S. Only (44%)
    Both U.S. & Non-U.S. (7%)
Total N = 29,475 studies
Data as of January 11, 2013