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   223,483  
Africa   5,390  
Central America   2,392  
East Asia   22,298  
Japan   4,207  
Europe   62,992  
Middle East   9,117  
North America   105,339  
Canada   15,712  
Greenland   1  
Mexico   2,628  
United States   95,226  
North Asia   3,998  
Pacifica   5,685  
South America   7,424  
South Asia   3,510  
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