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 454,492 Africa 16,699 Central America 3,784 East Asia 57,973 Japan 7,459 Europe 130,531 Middle East 23,692 North America 181,531 Canada 27,021 Greenland 4 Mexico 4,701 United States 162,949 North Asia 7,765 Pacifica 10,400 South America 13,710 South Asia 8,234 Southeast Asia 9,389

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.