How long do rats normally live?

i have 2 females and neither one have tumors and are in really good heath, but i don't know if i should put then on diets bc they are both over a year old


well one is a year and the other is a year and a halfHow long do rats normally live?
If kept in happy, healthy, and comfortable conditions an average rat will live between 2-4 years. Some can live beyond and some (especially the poor rats who get cancer) can die at under 2. Rats who have been ill or mistreated before you get them have a smaller chance of surviving over 2.


This is, of course fancy rats (pet rats).





The average lifespan of rats living in the wild is usually under a year.How long do rats normally live?
depends not only on how well you take care of them but their genetic background. Most rats live only 2 to 3 years. However, if your rat genetics are really good, say maybe they are from a lab with a particular strain of rat, then they can live even longer.





My first pair of rats were from my high school science teacher, who got their parents from a lab. They lived to be 5.5 years old.
usually anywhere from 2-5 years, if kept properly. Although, if you are considering one as a pet, many pet stores sell rats, but the are often perviously used in science expiriments. Mine was and it grew a large tumor and had to be put down. So consider that when looking for one
rats live about 3 to 4 years if they don't get cancer which is sadly very common in them they were bred for research in cancer so the actually get it easily if they are overweight then put them on a diet they sound in good shape. good luck with them
On the average, rats live for 2 陆 to 3 陆 years although some have been known to live for more than four years.


Hope this helps! :)
average from 2-3, but the oldest rat ever recorded was just over 7!!!


look after them well and they may be around a while!
the average life span is between 3-5 years... every ten days that we have equals one year for them believe it or not o.O
There's some in Washington are in their 80's.
rats normally live to around 3 to 4 years off age if looked after properly
4-5 years
The average lifespan of a pet rat is 2 - 3 years. Hope this helps!
their whole life