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   289,346  
Africa   7,761  
Central America   2,772  
East Asia   31,096  
Japan   5,236  
Europe   81,803  
Middle East   11,694  
North America   128,970  
Canada   19,283  
Greenland   1  
Mexico   3,200  
United States   116,285  
North Asia   5,053  
Pacifica   6,968  
South America   9,453  
South Asia   4,347  
Southeast Asia   5,791  

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