Hamster Lifespan: Average Longevity by Breed and Care
The average lifespan of hamsters varies by species and care conditions. Here’s a comprehensive breakdown:

1. Lifespan Ranges for Common Breeds
Mainstream Pet Varieties (Dwarf Campbells, Winter Whites, Pudding hamsters): Typically 2–3 years.
Dwarf Hamsters (e.g., Roborovski hamsters): Slightly shorter lifespan, around 1.5–2.5 years.
Gerbil-like Hamsters (Chinese hamsters): Longer-lived, reaching 3–3.5 years.
Syrian Hamsters (e.g., Golden Hamsters or Teddy Bears): Some individuals can live 3–4 years with optimal care.
2. Key Factors Affecting Longevity
Gender Differences: Unbred female hamsters may outlive males slightly, but pregnancy significantly shortens a female’s lifespan (reducing it by ~3 months per litter).
Habitat Conditions: Poor hygiene, cramped spaces, or extreme temperatures can shorten lifespan.
Diet and Exercise: Unbalanced nutrition or lack of a running wheel can lead to obesity or "cage paralysis," cutting longevity.
3. Tips to Extend Lifespan
Provide a spacious cage and a quiet exercise wheel to ensure adequate activity.
Clean bedding regularly to maintain a dry, hygienic environment.
Feed professional hamster pellets and limit high-sugar/high-fat treats.
Note: Wild hamsters generally live shorter than domesticated ones, and laboratory data doesn’t apply to pet care scenarios.