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   273,543  
Africa   7,178  
Central America   2,646  
East Asia   28,951  
Japan   5,020  
Europe   77,341  
Middle East   11,020  
North America   123,282  
Canada   18,452  
Greenland   1  
Mexico   3,039  
United States   111,215  
North Asia   4,791  
Pacifica   6,640  
South America   9,024  
South Asia   4,128  
Southeast Asia   5,489  

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