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   285,016  
Africa   7,589  
Central America   2,733  
East Asia   30,526  
Japan   5,178  
Europe   80,566  
Middle East   11,503  
North America   127,330  
Canada   19,040  
Greenland   1  
Mexico   3,147  
United States   114,808  
North Asia   4,966  
Pacifica   6,877  
South America   9,330  
South Asia   4,289  
Southeast Asia   5,719  

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