---
title: "How long does a American alligator last?"
description: "An American alligator lasts 35–70 yr. How that compares to other things, and where the number comes from."
url: https://atoneplace.net/how-long/american-alligator/
site: "At One Place"
---

# How long does a American alligator last?

**Typical lifespan: 35–70 yr**

A broad-snouted crocodilian of the US Southeast, recovered from near-extinction to over a million animals.

## How that compares

*American alligator against things of a similar time.*

- American alligator: 35–70 yr
- Orca: 30–90 yr
- Humpback whale: 45–100 yr
- Piano: 30–100 yr
- Nile crocodile: 45–80 yr
- Beluga whale: 35–70 yr
- Narwhal: 30–90 yr
- American lobster: 30–100 yr

## What that means over time

*Assuming the typical lifespan above and immediate replacement.*

| Period | How many you would buy |
| --- | --- |
| Per year | 0.02 replacements |
| Over 10 years | 1 of them |
| Over a 30-year mortgage | 1 of them |

> Lifespans are medians under ordinary use, not guarantees. Maintenance, how hard it is used, and build quality move individual examples a long way in both directions — which is why the range above is as wide as it is.

## More about an American alligator

- [How much does a American alligator weigh?](https://atoneplace.net/weight/american-alligator/) — 70–500 kg
- [American alligator vs Grizzly bear](https://atoneplace.net/vs/american-alligator-vs-grizzly-bear/) — Side by side
- [American alligator vs Tiger](https://atoneplace.net/vs/american-alligator-vs-tiger/) — Side by side
- [American alligator vs Lion](https://atoneplace.net/vs/american-alligator-vs-lion/) — Side by side
- [American alligator vs Saltwater crocodile](https://atoneplace.net/vs/american-alligator-vs-saltwater-crocodile/) — Side by side
- [American alligator vs Nile crocodile](https://atoneplace.net/vs/american-alligator-vs-nile-crocodile/) — Side by side

## Common questions

### How long does an American alligator last?

An American alligator lasts 35–70 yr.

## Related pages

- [How much does a American alligator weigh?](https://atoneplace.net/weight/american-alligator/)
- [How long does a lion last?](https://atoneplace.net/how-long/lion/)
- [How long does a tiger last?](https://atoneplace.net/how-long/tiger/)
- [How long does a great white shark last?](https://atoneplace.net/how-long/great-white-shark/)
- [How long does a cheetah last?](https://atoneplace.net/how-long/cheetah/)
- [How long does a polar bear last?](https://atoneplace.net/how-long/polar-bear/)
- [How long does a grizzly bear last?](https://atoneplace.net/how-long/grizzly-bear/)
- [How long does a gray wolf last?](https://atoneplace.net/how-long/gray-wolf/)
- [How long does a orca last?](https://atoneplace.net/how-long/orca/)
- [How long does a saltwater crocodile last?](https://atoneplace.net/how-long/saltwater-crocodile/)
- [How long does a leopard last?](https://atoneplace.net/how-long/leopard/)
- [American alligator vs Grizzly bear](https://atoneplace.net/vs/american-alligator-vs-grizzly-bear/)
- [American alligator vs Tiger](https://atoneplace.net/vs/american-alligator-vs-tiger/)
- [American alligator vs Lion](https://atoneplace.net/vs/american-alligator-vs-lion/)
- [American alligator vs Saltwater crocodile](https://atoneplace.net/vs/american-alligator-vs-saltwater-crocodile/)
- [American alligator vs Nile crocodile](https://atoneplace.net/vs/american-alligator-vs-nile-crocodile/)

## Sources

- Smithsonian National Museum of Natural History — Smithsonian Institution (https://naturalhistory.si.edu/)