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How long can a 70 year old expect to live?: Average expectancy and maximizing your longevity

According to the National Center for Health Statistics, a 70-year-old American man can expect to live to about 83, while a 70-year-old woman can expect to live to approximately 86. This demonstrates that the question, "How long can a 70 year old expect to live?", has a significantly higher average than the often-cited life expectancy at birth, as it accounts for surviving to this age. However, these are just averages, and a variety of factors, from lifestyle to genetics, influence an individual's actual lifespan.