• Gestation lasts about 125 days, and the female usually gives birth to one or two young in the rainy season.

The crowned lemur has a theoretical lifespan from 13 years 6 months to 27 years, a typical lifespan from 18 to 30 years, and a maximum lifespan of 27 years; the age of sexual maturity occurs in the period from 1 year 6 months to 2 years. The "Embryo" stage is characterized by the development of the embryo inside the mother, followed by the "Infant" stage, when the infant is born with open eyes, clings to the mother's fur, and feeds on milk, this stage lasts from 1 day to 5 months. Then comes the "Adult" stage, which lasts from 2 to 20 years, during which the species lives in a group, searches for food, and can produce offspring.