List of data deficient mammals
In September 2016, the International Union for Conservation of Nature (IUCN) listed 783 data deficient mammalian species. Of all evaluated mammalian species, 14% are listed as data deficient. The IUCN also lists 30 mammalian subspecies as data deficient. Of the subpopulations of mammals evaluated by the IUCN, four species and/or subpopulations have been assessed as data deficient. This is a complete list of data deficient mammalian species and subspecies evaluated by the IUCN.
In September 2016, the International Union for Conservation of Nature (IUCN) listed 783 data deficient mammalian species. Of all evaluated mammalian species, 14% are listed as data deficient. 
The IUCN also lists 30 mammalian subspecies as data deficient.
Of the subpopulations of mammals evaluated by the IUCN, four species and/or subpopulations have been assessed as data deficient.
This is a complete list of data deficient mammalian species and subspecies evaluated by the IUCN. Species and subspecies which have data deficient subpopulations (or stocks) are indicated. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.

Primates
There are 20 species and 26 subspecies of primate evaluated as data deficient.

Gibbons
Subspecies

Yunnan lar gibbon

Lemurs
Species

Subspecies

Ranomafana bamboo lemur

Tarsiers
Old World monkeys
Species

Osman Hill's mangabeySubspecies

New World monkeys
Species

Subspecies

Cetartiodactyls
Cetartiodactyla includes dolphins, whales and even-toed ungulates. There are 61 species, one subspecies, and three subpopulations of cetartiodactyl evaluated as data deficient.

Non-cetacean even-toed ungulates
Cetaceans
There are 45 species, one subspecies, and three subpopulations of cetacean evaluated as data deficient.

Oceanic dolphins
Species

Subpopulations

Long-finned pilot whale (1 subpopulation)
Risso's dolphin (1 subpopulation)

Beaked whales
Species

Subpopulations

Cuvier's beaked whale (1 subpopulation)

Other cetaceans
Species

Subspecies

Pygmy blue whale

Marsupials
Carnivora
Species

Afrosoricida
Includes tenrecs and golden moles.

Pilosa
Subpopulations

Silky anteater (1 subpopulation)

Eulipotyphla
There are 83 species in the order Eulipotyphla evaluated as data deficient.

Shrews
Erinaceids
Long-eared gymnure

Talpids
Lagomorpha
Rabbits and relatives

Rodents
There are 380 rodent species evaluated as data deficient.

Hystricomorpha
There are 82 species in Hystricomorpha evaluated as data deficient.

Tuco-tucos
Chinchilla rats
Dasyproctids
Neotropical spiny rat species
New World porcupines
Other Hystricomorpha species
Myomorpha
There are 245 species in Myomorpha evaluated as data deficient.

Murids
Includes mice, rats, gerbils, and relatives.

Cricetids
Includes true hamsters, voles, lemmings, and New World rats and mice.

Nesomyids
Spalacids
Dipodids
Mouse-like hamsters
Noble mouse-like hamster
Tsolov's mouse-like hamster

Castorimorpha
Lined pocket mouse
Oaxacan pocket gopher

Sciuromorpha
There are 50 species in Sciuromorpha evaluated as data deficient.

Sciurids
Squirrels, chipmunks, marmots, susliks and prairie dogs

Dormice
Anomaluromorpha
Pel's flying squirrel

Cingulata
Bats
There are 191 species and one subspecies of bat evaluated as data deficient.

Megabats
Microbats
There are 171 species and one subspecies of microbat evaluated as data deficient.

Old World leaf-nosed bats
Species

Subspecies

Philippine tailless leaf-nosed bat

Horseshoe bats
Vesper bats
Long-fingered bats
Sac-winged bats
Free-tailed bats
Leaf-nosed bats
Slit-faced bats
Mouse-tailed bats
Macinnes's mouse-tailed bat

Disc-winged bats
Thyroptera devivoi
LaVal's disk-winged bat

Elephant shrews
Treeshrews
See also
Lists of IUCN Red List data deficient species
List of least concern mammals
List of near threatened mammals
List of vulnerable mammals
List of endangered mammals
List of critically endangered mammals
List of recently extinct mammals


== References ==