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62733 Studies found for: National

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Map Legend
Region Name Number of Studies
World 62,733
Africa [map] 2,397
Central America [map] 1,164
East Asia [map] 9,848
Japan 1,536 [studies]
Europe [map] 10,185
Middle East [map] 1,684
North America 38,229
Canada [map] 3,539 [studies]
Greenland 1 [studies]
Mexico 956 [studies]
United States [map] 37,315 [studies]
North Asia [map] 1,919
Pacifica [map] 2,232
South America [map] 1,776
South Asia [map] 924
Southeast Asia [map] 2,479

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Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.