List of least concern arthropods
- Extinct in the wild (EW): 2 species
- Critically endangered (CR): 850 species
- Endangered (EN): 1,531 species
- Vulnerable (VU): 1,574 species
- Near threatened (NT, LR/cd): 1,118 species
- Least concern (LC): 8,632 species
- Data deficient (DD): 4,643 species
Arthropod species (IUCN, 2025-2)
- 18431 extant species have been evaluated
- 13788 of those are fully assessed
- 9750 are not threatened at present
- 4223 to 8866 are threatened
- 83 to 261 are extinct or extinct in the wild:
- 81 extinct (EX) species
- 2 extinct in the wild (EW)
- 171 possibly extinct [CR(PE)]
- 1 possibly extinct in the wild [CR(PEW)]
In July 2016, the International Union for Conservation of Nature (IUCN) listed 4069 least concern arthropod species. Of all evaluated arthropod species, 43% are listed as least concern. The IUCN also lists 27 arthropod subspecies as least concern.
No subpopulations of arthropods have been evaluated by the IUCN.
This is a complete list of least concern arthropod species and subspecies as evaluated by the IUCN.