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   292,311  
Africa   7,873  
Central America   2,789  
East Asia   31,487  
Japan   5,274  
Europe   82,688  
Middle East   11,832  
North America   129,949  
Canada   19,430  
Greenland   1  
Mexico   3,239  
United States   117,143  
North Asia   5,094  
Pacifica   7,015  
South America   9,536  
South Asia   4,398  
Southeast Asia   5,838  

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