See Studies on Map

Map of All Studies on

Click on the map below to show a more detailed map (when available) or to search for studies (when a map is not available).
Map Legend

Region Name   Number of Studies
World   221,361  
Africa   5,351  
Central America   2,381  
East Asia   22,059  
Japan   4,180  
Europe   62,226  
Middle East   9,063  
North America   104,690  
Canada   15,625  
Greenland   1  
Mexico   2,618  
United States   94,637  
North Asia   3,969  
Pacifica   5,641  
South America   7,373  
South Asia   3,493  
Southeast Asia   4,487  

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. Click on the Back button to return to this list and see 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 October 2015