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 467,212 Africa 17,570 Central America 3,846 East Asia 60,407 Japan 7,604 Europe 133,726 Middle East 24,912 North America 184,978 Canada 27,521 Greenland 4 Mexico 4,784 United States 166,033 North Asia 7,874 Pacifica 10,639 South America 14,009 South Asia 8,656 Southeast Asia 9,663

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.