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   271,394  
Africa   7,091  
Central America   2,645  
East Asia   28,645  
Japan   4,988  
Europe   76,631  
Middle East   10,917  
North America   122,450  
Canada   18,312  
Greenland   1  
Mexico   3,022  
United States   110,484  
North Asia   4,755  
Pacifica   6,601  
South America   8,951  
South Asia   4,094  
Southeast Asia   5,444  

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