Life Expectancy Calculator
Estimates remaining life expectancy using CDC period life tables as a baseline, adjusted for lifestyle factors. This is a statistical estimate for educational use only — it is not a medical prediction.
Estimated Life Expectancy
This tool is for informational purposes only and does not constitute medical advice. Life expectancy estimates are population-level statistics, not individual predictions. Consult a professional healthcare provider or actuary for personalized assessment.
U.S. Life Expectancy at Birth (CDC 2021)
| Group | Life Expectancy |
|---|---|
| All persons | 76.4 years |
| Male | 73.5 years |
| Female | 79.3 years |
Lifestyle factors can shift individual expectancy significantly. Non-smoking alone adds ~10 years vs. heavy smoking (CDC). Regular physical activity associated with 3-5 year gain (JAMA 2022).
References & Methodology
- Arias, E. & Xu, J. — United States Life Tables, 2021. National Vital Statistics Reports 73(2), CDC/NCHS (2023) — Period life tables by age and sex; baseline expectancy by cohort.
- Dhingra, R. et al. (JAMA 2022) — Association of lifestyle factors with life expectancy in US adults. Quantified mortality risk adjustments for smoking, BMI, activity, and diet.
- Society of Actuaries — 2012 IAM Mortality Table with Improvement Scale MP-2021 — Actuarial methods for individual life expectancy adjustment by risk factor.