lifespan
nounUK /ˈlaɪf.spæn/
US /ˈlaɪf.spæn/
The length of time that a person, animal, or thing lives or lasts.
The average lifespan of a dog is about ten to fifteen years.
OTHER MEANINGS
2. The period during which something is functional or useful.
The lifespan of a smartphone battery is usually a few years.
3. The expected number of years a person or animal is likely to live.
Better healthcare has increased the average lifespan in many countries.
4. The duration for which a product or device remains usable.
Regular maintenance can extend the lifespan of your car.