As of July 2016, the International Union for Conservation of Nature (IUCN) lists 616 endangered arthropod species. 6.5% of all evaluated arthropod species are listed as endangered. The IUCN also lists 27 arthropod subspecies as endangered. No subpopulations of arthropods have been evaluated by the IUCN. This is a complete list of endangered arthropod species and subspecies as evaluated by the IUCN.