Normal life expectancy refers to the average lifespan that an individual can expect to live. Synonyms for this phrase include the standard life span, typical life expectancy, regular lifespan, common life duration, and general life cycle. All of these phrases refer to the average or expected length of life for humans within a given society or population. These synonyms are often used in discussions of health and wellness, mortality rates, and population studies. Understanding normal life expectancy can provide valuable information for individuals planning for their own futures and for policymakers making decisions about healthcare and social policy.