Nile crocodile lifespan and age in human years
Longest recorded 56 years
🏆 The longest-lived nile crocodile on record reached 56 years in captivity.
Nile crocodile (Crocodylus niloticus). The oldest known individual lived 56 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 19 years
- Adult weight about 94.2 kg
How old in human years?
Age
Nile crocodile age chart in human years
Shaded rows are equivalent to human age 60+.
| Nile crocodile | Human age | Stage |
|---|---|---|
| 5 yr | 5 | Child |
| 10 yr | 9 | Child |
| 15 yr | 14 | Teen |
| 20 yr | 21 | Adult |
| 25 yr | 35 | Adult |
| 30 yr | 48 | Middle age |
| 35 yr | 62 | Senior |
| 40 yr | 76 | Elderly |
| 45 yr | 90 | Elderly |
| 50 yr | 103 | Elderly |
| 55 yr | 117 | Elderly |
| 60 yr | 131 | Elderly |
| 65 yr | 145 | Elderly |
Nile crocodile profile
| Classification | Reptilia > Crocodilia > Crocodylidae |
|---|---|
| Scientific name | Crocodylus niloticus |
| Adult weight | about 94 kg |
| Age of maturity | 19 years |
| Longest recorded | 56 years (captivity) |
Sources
How we convert ages: method.
More Reptiles & amphibians
Red-eared sliderLifespan about 25 years
Reeves' turtleLifespan about 25 years
Tortoise (Hermann's, Greek, etc.)Lifespan about 60 years
Leopard geckoLifespan about 15 years
Bearded dragonLifespan about 9 years
Ball pythonLifespan about 20 years
Corn snakeLifespan about 15 years
AxolotlLifespan about 11 years
Pacman frog (horned frog)Lifespan about 10 years
Japanese firebelly newtLifespan up to 25 years (record)
Japanese rat snakeLifespan up to 13.1 years (record)
Japanese mamushiLifespan up to 13.8 years (record)