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   278,261  
Africa   7,355  
Central America   2,693  
East Asia   29,582  
Japan   5,097  
Europe   78,742  
Middle East   11,220  
North America   125,026  
Canada   18,680  
Greenland   1  
Mexico   3,079  
United States   112,791  
North Asia   4,885  
Pacifica   6,738  
South America   9,161  
South Asia   4,208  
Southeast Asia   5,574  

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