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   278,104  
Africa   7,348  
Central America   2,693  
East Asia   29,558  
Japan   5,096  
Europe   78,690  
Middle East   11,211  
North America   124,967  
Canada   18,674  
Greenland   1  
Mexico   3,078  
United States   112,736  
North Asia   4,883  
Pacifica   6,737  
South America   9,159  
South Asia   4,205  
Southeast Asia   5,573  

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