Naked mole-rat lifespan and age in human years
Longest recorded 31 years
🏆 The longest-lived naked mole-rat on record reached 31 years in captivity.
Naked mole-rat (Heterocephalus glaber). The oldest known individual lived 31 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.
- Reaches adulthood at about 8 months
- Adult weight about 35 g
- Gestation about 70 days
- About 7 young at a time
How old in human years?
Age
Naked mole-rat age chart in human years
Shaded rows are equivalent to human age 60+.
| Naked mole-rat | Human age | Stage |
|---|---|---|
| 5 yr | 33 | Adult |
| 10 yr | 49 | Middle age |
| 15 yr | 66 | Senior |
| 20 yr | 83 | Elderly |
| 25 yr | 100 | Elderly |
| 30 yr | 117 | Elderly |
| 35 yr | 133 | Elderly |
Naked mole-rat profile
| Classification | Mammalia > Rodentia > Bathyergidae |
|---|---|
| Scientific name | Heterocephalus glaber |
| Adult weight | about 35 g |
| Age of maturity | 7 months |
| Gestation | about 70 days |
| Litter / clutch size | 7 |
| Longest recorded | 31 years (captivity) |
Sources
How we convert ages: method.
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