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   290,291  
Africa   7,792  
Central America   2,778  
East Asia   31,202  
Japan   5,249  
Europe   82,099  
Middle East   11,736  
North America   129,278  
Canada   19,328  
Greenland   1  
Mexico   3,208  
United States   116,560  
North Asia   5,064  
Pacifica   6,983  
South America   9,473  
South Asia   4,362  
Southeast Asia   5,805  

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