See Studies on Map

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).

Region Name Number of Studies World 349,708 Africa 10,591 Central America 3,143 East Asia 39,819 Japan 6,050 Europe 100,040 Middle East 15,303 North America 149,059 Canada 22,198 Greenland 1 Mexico 3,747 United States 134,100 North Asia 6,107 Pacifica 8,095 South America 11,053 South Asia 5,387 Southeast Asia 7,061

Tips: 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.