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   292,413  
South America   9,540  
Argentina   2,493  
Bolivia   50  
Brazil   6,703  
Chile   1,416  
Colombia   1,190  
Ecuador   121  
French Guiana   5  
Guyana   1  
Paraguay   33  
Peru   943  
Suriname   4  
Uruguay   64  
Venezuela   166  

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