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   273,662  
Africa   7,180  
Central America   2,648  
East Asia   28,969  
Japan   5,024  
Europe   77,374  
Middle East   11,025  
North America   123,337  
Canada   18,460  
Greenland   1  
Mexico   3,042  
United States   111,263  
North Asia   4,795  
Pacifica   6,642  
South America   9,027  
South Asia   4,128  
Southeast Asia   5,493  

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