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   275,794  
Africa   7,254  
Central America   2,668  
East Asia   29,253  
Japan   5,062  
Europe   78,008  
Middle East   11,115  
North America   124,102  
Canada   18,556  
Greenland   1  
Mexico   3,061  
United States   111,962  
North Asia   4,844  
Pacifica   6,688  
South America   9,096  
South Asia   4,154  
Southeast Asia   5,536  

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