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   287,365  
Africa   7,678  
Central America   2,754  
East Asia   30,821  
Japan   5,201  
Europe   81,249  
Middle East   11,606  
North America   128,294  
Canada   19,193  
Greenland   1  
Mexico   3,186  
United States   115,658  
North Asia   5,019  
Pacifica   6,926  
South America   9,406  
South Asia   4,319  
Southeast Asia   5,764  

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