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   294,540  
Africa   8,018  
Central America   2,802  
East Asia   31,856  
Japan   5,293  
Europe   83,307  
Middle East   11,963  
North America   130,719  
Canada   19,521  
Greenland   1  
Mexico   3,259  
United States   117,849  
North Asia   5,136  
Pacifica   7,069  
South America   9,589  
South Asia   4,442  
Southeast Asia   5,886  

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