See Studies on Map

Map of All Studies on

On the map below, click on a region to show a more detailed map (when available) or see a list of studies with locations in that region (when a detailed map is not available).
Map Legend

Region Name   Number of Studies
World   273,417  
South America   9,020  
Argentina   2,383  
Bolivia   48  
Brazil   6,345  
Chile   1,357  
Colombia   1,122  
Ecuador   119  
French Guiana   4  
Guyana   1  
Paraguay   30  
Peru   914  
Suriname   3  
Uruguay   60  
Venezuela   162  

Click on a region name link to show a map of that region

Click on a study count link to see a list of studies in that region. Use your browser's back button to return to this list and view studies in another region.

Studies with no locations are not included in the study counts or on the maps.

Studies with multiple locations are included in each region where the study has locations.

This page last reviewed in June 2017