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   284,915  
Africa   7,584  
Central America   2,733  
East Asia   30,516  
Japan   5,176  
Europe   80,547  
Middle East   11,501  
North America   127,290  
Canada   19,036  
Greenland   1  
Mexico   3,146  
United States   114,772  
North Asia   4,964  
Pacifica   6,875  
South America   9,329  
South Asia   4,287  
Southeast Asia   5,717  

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