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   281,458  
Africa   7,475  
Central America   2,720  
East Asia   30,026  
Japan   5,132  
Europe   79,565  
Middle East   11,359  
North America   126,109  
Canada   18,843  
Greenland   1  
Mexico   3,119  
United States   113,748  
North Asia   4,922  
Pacifica   6,814  
South America   9,248  
South Asia   4,246  
Southeast Asia   5,629  

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