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   223,375  
Africa   5,386  
Central America   2,390  
East Asia   22,284  
Japan   4,205  
Europe   62,952  
Middle East   9,115  
North America   105,287  
Canada   15,704  
Greenland   1  
Mexico   2,628  
United States   95,181  
North Asia   3,992  
Pacifica   5,680  
South America   7,421  
South Asia   3,504  
Southeast Asia   4,518  

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