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   281,648  
Africa   7,481  
Central America   2,720  
East Asia   30,049  
Japan   5,134  
Europe   79,624  
Middle East   11,372  
North America   126,160  
Canada   18,856  
Greenland   1  
Mexico   3,120  
United States   113,790  
North Asia   4,922  
Pacifica   6,818  
South America   9,253  
South Asia   4,248  
Southeast Asia   5,636  

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