Species and Creatures

Prime Species
Humans, ~70% (including"demi-humans" and normal humanoids like dwarves, elves, halflings, as well as humans with horns, three eyes, metallic skin, etc).
Reptilians, ~18% (including dragonborn, saurians, lizardfolk, yuan-ti, kobolds, troglodytes, draconian, turtle-men, crocodile-men).
Insects, ~10% (including ant people, mantis people, housefly people, bee, centipedes, spiders, beetles, etc).
Others, ~2%

Sigil Species
Planetouched (undefined), ~17%
Planetouched (Tiefling), ~13%
Planetouched (Aasimar), ~11%
Planetouched (Genasi), ~6%
Fiends, ~9%
Aasimon, ~9%
Gith, ~8
Bariaur, ~8
Primes, ~5%
Elementals, ~4%
Constructs, ~3%
Undead, ~2%
Ilithid, ~1%
Others, ~1%

Planars – “Main” Species
Celestials
Guardinals
Eladrin
Slaad
Tanar’ri
Yugoloth
Baatezu
Modron
Rilmani
Genie

Planars – Others
Other general Aasimon, Fiends and Elementals, as well as Inevitables and Angels.

Tso (Neogi-like) and Keepers are not associated to any particular plane, while Phirbla are Dabu-like creatures from a demiplane.

In the Outlands, there can also be found the intelligent elephants with lizard tails called the Baku and the Khaasta, mercenary humanoid alligators.

Species and Creatures

Living Planescape EldaKing