Lifespan (noun)

The length of time that a person or organism is able to live or survive.

Origin:

Late 19th century: from life + span.

Examples:

1. The average lifespan of a human is about 80 years.
2. The lifespan of this species of bird is about 10 years.
3. Lifestyle choices can impact a person's lifespan.
4. Modern medicine has greatly increased the lifespan of many individuals.
5. The lifespan of this species of fish is significantly shorter in polluted waters.