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 493,630 North America 192,082 United States 172,376 Alabama 11,612 Alaska 894 Arizona 14,552 Arkansas 6,303 California 45,269 Colorado 14,676 Connecticut 10,303 Delaware 2,340 District of Columbia 6,772 Florida 30,500 Georgia 17,075 Hawaii 2,268 Idaho 3,455 Illinois 21,964 Indiana 11,954 Iowa 6,347 Kansas 8,619 Kentucky 9,111 Louisiana 8,997 Maine 2,215 Maryland 21,890 Massachusetts 24,241 Michigan 17,670 Minnesota 15,448 Mississippi 3,824 Missouri 16,842 Montana 2,621 Nebraska 7,060 Nevada 5,767 New Hampshire 3,060 New Jersey 13,936 New Mexico 4,127 New York 35,609 North Carolina 23,422 North Dakota 2,333 Ohio 25,423 Oklahoma 7,852 Oregon 10,359 Pennsylvania 27,454 Rhode Island 4,607 South Carolina 11,383 South Dakota 2,612 Tennessee 16,733 Texas 36,692 Utah 9,528 Vermont 2,256 Virginia 14,127 Washington 15,277 West Virginia 2,639 Wisconsin 9,823 Wyoming 552

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.