- Extinct in the wild (EW): 15 species
- Critically endangered (CR): 987 species
- Endangered (EN): 1,163 species
- Vulnerable (VU): 2,178 species
- Near threatened (NT, LR/cd): 1,105 species
- Least concern (LC): 6,919 species
- Data deficient (DD): 5,278 species
Invertebrate species (IUCN, 2020.1)
- 17,646 extant species have been evaluated
- 12,368 of those are fully assessed[a]
- 8024 are not threatened at present[b]
- 4328 to 9606 are threatened[c]
- 410 to 616 are extinct or extinct in the wild:
- 395 extinct (EX) species[d]
- 15 extinct in the wild (EW)
- 206 possibly extinct [CR(PE)]
- 0 possibly extinct in the wild [CR(PEW)]
- ^ excludes data deficient evaluations.
- ^ NT, LR/cd, LC.
- ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
- ^ Chart omits extinct (EX) species
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 5278 data deficient invertebrate species.[1] 29% of all evaluated invertebrate species are listed as data deficient. The IUCN also lists 57 invertebrate subspecies as data deficient.
No subpopulations of invertebrates have been evaluated by the IUCN.
This is a complete list of data deficient invertebrate species and subspecies as evaluated by the IUCN.
- ^ "IUCN Red List version 2016.1". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 4 July 2016.