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   274,049  
Africa   7,192  
Central America   2,651  
East Asia   29,006  
Japan   5,028  
Europe   77,473  
Middle East   11,037  
North America   123,470  
Canada   18,474  
Greenland   1  
Mexico   3,043  
United States   111,383  
North Asia   4,801  
Pacifica   6,648  
South America   9,037  
South Asia   4,133  
Southeast Asia   5,498  

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