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   277,765  
Africa   7,332  
Central America   2,690  
East Asia   29,501  
Japan   5,092  
Europe   78,584  
Middle East   11,194  
North America   124,842  
Canada   18,658  
Greenland   1  
Mexico   3,076  
United States   112,624  
North Asia   4,876  
Pacifica   6,727  
South America   9,150  
South Asia   4,197  
Southeast Asia   5,565  

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