How long does a rat live?
Ava Arnold
Updated on February 18, 2026
Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma, Bandicota and Dipodomys. Rats are typically distinguished from mice by their size.
How long do rats live as pets?
Rats live, on average, 2 to 3 years. Children should be informed of this so that the 'sudden death' of their 2 to 3-year-old pet does not come unexpectedly.Can rats live 20 years?
Their life span is of extraordinary length for a rodent. Mice live a couple of years but mole rats can reach the venerable age of 28. The long life is probably a consequence of their protected existence. Mice have a short life span because they have many predators.Can a rat live for 5 years?
The average lifespan of a pet rat is 2 to 3 years, but some rats may live up to 4 or 5 years.Do male rats live longer than female rats?
1. Introduction: Females live longer than males in many species including humans. Females live longer than males in many mammalian species. For instance, male Wistar rats, in our laboratory, have an average life span of 24 months whereas females median life span is 29 months, i.e., 14% more than in males (Table 1).How Long Do Rats Live?
Are rats smart?
Rats Show High Levels of IntelligenceWhile most people don't realize it, rats are among the 10 smartest animal species on the planet. According to scientists, rats can make decisions based on the information and knowledge they have of the situation. This ability is called metacognition.