Siamang lifespan and age in human years

Longest recorded 43 years

🏆 The longest-lived siamang on record reached 43 years in captivity.

Siamang (Symphalangus syndactylus). The oldest known individual lived 43 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.

• Reaches adulthood at about 6 years
• Adult weight about 10.9 kg
• Gestation about 231 days
• About 1 young at a time