†This list includes all known individuals to have reached the age of 50 years or more. The average lifespan of a
gorilla is 35–40 years. The 1 January has been given as the birthday to any individual whose exact birthdate isn't known, in accordance with international studbook procedure. The oldest female gorilla ever, oldest gorilla overall and oldest living gorilla in captivity is
Fatou, aged . The oldest male gorilla ever was
Ozoum, who reached to the final age of 61 years, 24 days. The oldest living male gorilla is Guhonda, aged . Female gorillas, on average, live longer than their male counterparts. Out of the 71 individuals known to have reached the age of 50 years old, 49 were female and 22 were male; out of the 9 individuals known to have reached the age of 60 years old, 7 were female and 2 were male; no gorilla has verifiably reached the age of 70. ==Humans==