• Often gives birth to twins, allowing rapid population recovery.

Mongolian saigas have a typical lifespan ranging from 19 years and 9 months to 32 years and 10 months, with a maximum lifespan of the same duration and a theoretical lifespan from 18 years and 5 months to 26 years and 3 months. The species reaches sexual maturity between 7 weeks and 1 year of age; the young are born with their eyes open and begin walking immediately. During the embryonic stage, the fetus develops inside the mother for five months and does not feed independently. The newborn young spend a period of one to three months in the infant stage, relying on maternal milk for nourishment and experiencing rapid growth. An adult animal is capable of reproduction and lives in herds, with this adult stage lasting from 2 to 10 years.