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   295,042  
Africa   8,046  
Central America   2,805  
East Asia   31,941  
Japan   5,302  
Europe   83,470  
Middle East   11,992  
North America   130,892  
Canada   19,555  
Greenland   1  
Mexico   3,263  
United States   117,997  
North Asia   5,142  
Pacifica   7,079  
South America   9,599  
South Asia   4,455  
Southeast Asia   5,894  

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