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Life expectancy calculators estimate remaining lifespan based on age, sex, and lifestyle factors. They reflect population averages — individual outcomes vary enormously based on genetics and circumstances.

공식

Actuarial estimate based on age, sex, health, smoking status, family history; US male average 75 years, female 80 years; Varies by country 65–85 years

Age: Current age (Years)
RemainingLife: Additional years expected (Years)

단계별 가이드

1US baseline: ~74yr (men), ~79yr (women)
2UK baseline: ~79yr (men), ~83yr (women)
3Smoking: −10 years; Exercise: +3–5 years
4Diet, social connection, weight also significantly affect longevity

풀어진 예시

입력

Male, age 42, non-smoker, exercises regularly

결과

Estimated remaining years: ~40+ (to ~age 82+)

자주 묻는 질문

Can I predict my life expectancy?

Approximately. Health factors (BMI, blood pressure, cholesterol, smoking, exercise) predict better than averages. Genetics matters but ~25%; environment/behavior 75%. Online calculators available.

Should I plan finances assuming longer life?

Plan conservatively: assume 90+ if you want certainty. If average 80, plan 85–90 to have buffer. Longevity risk = money running out. Annuities/pensions provide longevity insurance.

How does health affect life expectancy?

Huge. Smokers lose ~10 years. Obesity ~5–10 years. Sedentary ~5 years. Chronic disease (diabetes, heart disease) 5–15 years. Conversely, exercise, normal weight, no smoking = 80s–90s realistic.

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