List of odd-toed ungulates by population


This is a list of odd-toed ungulate species by estimated global population.
Unless otherwise noted, primary populations given are for number of mature individuals.
Common nameBinomial namePopulationStatusTrendNotesImage
Javan rhinocerosRhinoceros sondaicus18Total population is estimated to be 68 individuals. Range is entirely restricted to western Java.
African wild assEquus africanus23–200Total population is estimated to be 70 - 600 individuals.
Sumatran rhinocerosDicerorhinus sumatrensis30Total population is estimated to be less than 80 individuals.
Przewalski's horseEquus ferus przewalskii178Wild population only. Total wild population is estimated to be 387 individuals. Previously extinct in the wild.
Baird's tapirTapirus bairdii1,600 - 2,300Estimate is derived from regional estimates from Mosquitia and the Maya Forest.
Grévy's zebraEquus grevyi1,956Total population is estimated to be 2,680 individuals.
Indian rhinoceros
Rhinoceros unicornis2,100-2,200Total population is estimated to be 3,588 individuals.
Malayan tapirTapirus indicus2,499
Mountain tapirTapirus pinchaque2,500Maximum estimate.
South American tapir
Tapirus terrestris2,665 - 15,992IUCN assessment does not provide a population estimate.
Black rhinocerosDiceros bicornis3,142Total population is estimated to be 5,630 individuals as of 2018.
White rhinocerosCeratotherium simum10,080Total population is estimated to be 18,064 individuals.
Mountain zebraEquus zebra34,979Two subspecies: Hartmann's & Cape.
Asiatic wild ass
Equus hemionus65,000Total population is estimated to be 108,300 individuals.
KiangEquus kiang60,000–70,000Values given are for total population.
Plains zebraEquus quagga150,000-250,000Total population is estimated to be 500,000 individuals.
MuleEquus asinus x Equus caballus7,700,000DomesticatedValue given is the 2024 estimate given by the FAO for worldwide population, rounded to nearest hundred thousand.
DonkeyEquus africanus asinus53,900,000DomesticatedValue given is the 2024 estimate given by the FAO for worldwide population, rounded to nearest hundred thousand.
HorseEquus ferus caballus56,200,000DomesticatedValue given is the 2024 estimate given by the FAO for worldwide population, rounded to nearest hundred thousand.