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   289,882  
Africa   7,780  
Central America   2,778  
East Asia   31,166  
Japan   5,242  
Europe   81,971  
Middle East   11,717  
North America   129,142  
Canada   19,302  
Greenland   1  
Mexico   3,207  
United States   116,443  
North Asia   5,055  
Pacifica   6,976  
South America   9,466  
South Asia   4,357  
Southeast Asia   5,797  

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