What is another word for life duration?
Pronunciation: [lˈa͡ɪf djʊ͡əɹˈe͡ɪʃən] (IPA) 
Life duration refers to the length of time an individual can live. There are many synonyms for this term that can be used to provide a more nuanced definition. For example, lifespan refers to the overall length of time one lives, whereas longevity refers to the ability to live for a long time. Another term is life expectancy, which is the average length of time people are expected to live in a given population. Other synonyms for life duration include years of life, period of existence, mortality span, and lifespan expectancy. Each of these terms offers a slightly different perspective on the idea of living and how long that experience can last.
