Roborovski hamsters (also known as "grandpa hamsters") are the longest-lived pet hamster breed known to date, with an average lifespan of 3 to 3.5 years. Some healthy individuals can even live beyond 4 years, while other common hamster breeds generally have shorter lifespans.
Lifespan Comparison of Different Hamster Breeds
Roborovski hamsters ("grandpa hamsters"): 3–4 years (maximum recorded lifespan: 4.5 years)
They are the smallest in size (only 5–7 cm as adults) and have a timid but highly adaptable personality.
Syrian hamsters (golden hamsters): 2.5–3 years
They are the largest in size, with a gentle temperament but strong solitary tendencies.
Dwarf hamsters (such as Campbell’s and Winter White hamsters): 1.5–2.5 years
Medium in size with relatively shorter lifespans; special attention should be paid to their diet and exercise.
How to Extend a Hamster’s Lifespan?
Healthy diet: Provide high-quality hamster food and avoid high-sugar, high-fat foods.
Adequate exercise: Offer exercise equipment like running wheels and tunnels.
Clean environment: Regularly replace bedding to keep the habitat dry and hygienic.
Avoid stress: Minimize sudden noises or frequent disturbances.
If you want a long-lived hamster, Roborovski hamsters ("grandpa hamsters") are the best choice. However, note that they are more sensitive in nature and thrive in a quiet, observation-focused care environment.