currently lists 140,426 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 = 29,645 studies
Data as of February 12, 2013