- 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
