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   294,925  
Africa   8,039  
Central America   2,804  
East Asia   31,919  
Japan   5,298  
Europe   83,424  
Middle East   11,985  
North America   130,847  
Canada   19,544  
Greenland   1  
Mexico   3,262  
United States   117,957  
North Asia   5,140  
Pacifica   7,075  
South America   9,597  
South Asia   4,454  
Southeast Asia   5,892  

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