List of data deficient insects
- Extinct in the wild (EW): 1 species
- Critically endangered (CR): 520 species
- Endangered (EN): 1,132 species
- Vulnerable (VU): 1,082 species
- Near threatened (NT, LR/cd): 897 species
- Least concern (LC): 6,802 species
- Data deficient (DD): 3,255 species
Insect species (IUCN, 2025-2)
- 13,696 extant species have been evaluated
- 10,441 of those are fully assessed
- 7,699 are not threatened at present
- 2,742 to 5,997 are threatened
- 59 to 175 are extinct or extinct in the wild:
- 58 extinct (EX) species
- 1 extinct in the wild (EW)
- 116 possibly extinct [CR(PE)]
- 0 possibly extinct in the wild [CR(PEW)]
In July 2016, the International Union for Conservation of Nature (IUCN) listed 1702 data deficient insect species. Of all evaluated insect species, 28% are listed as data deficient. No subpopulations of insects have been evaluated by the IUCN.
This is a complete list of data deficient insect species and subspecies as evaluated by the IUCN.