List of data deficient invertebrates
- Extinct in the wild (EW): 2 species
- Critically endangered (CR): 853 species
- Endangered (EN): 1,533 species
- Vulnerable (VU): 1,578 species
- Near threatened (NT, LR/cd): 1,119 species
- Least concern (LC): 8,632 species
- Data deficient (DD): 4,644 species
Invertebrate species (IUCN, 2025.2)
- 18,442 extant species have been evaluated
- 13,798 of those are fully assessed
- 9,751 are not threatened at present
- 4,047 to 8,691 are threatened
- 83 to 255 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)]
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 5278 data deficient invertebrate species. 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.