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SESK: Stuff Everyone Should Know · sesk.info/small-rat-lifespan

About how long do pet rats usually live?

About 1.5 to 3 years.

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  1. 6 to 9 months
  2. 8 to 12 years
  3. 1.5 to 3 years ✔

Why: The Merck Veterinary Manual says the usual life span of rats is about 1.5 to 3 years. Rats are smart, social pets, but kids should know their time together is only a few years.

Huh, didn't know that: Pet rats rarely bite, but one that rears up to face an approaching hand is more likely to bite.

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What is a rat's favorite game? Hide and squeak.
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References

Answer: 1.5 to 3 years. The Merck Veterinary Manual says the usual life span of rats is about 1.5 to 3 years. Rats are smart, social pets, but kids should know their time together is only a few years.

  1. Description and Physical Characteristics of Rats (Merck Veterinary Manual) www.merckvetmanual.com/all-other-pets/rats/description-and-physical-characteristics-of-rats
    The usual life span of rats is about 1.5 to 3 years.
    Checked 2026-10-11.
  2. Special Considerations for Rats (Merck Veterinary Manual) www.merckvetmanual.com/all-other-pets/rats/special-considerations-for-rats
    In general, pet rats rarely bite. A rat that rears up to face your approaching hand is more likely to bite.
    Checked 2026-10-11.

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