Life Expectancy Calculator
Estimate life expectancy from lifestyle and statistics.
Estimated life expectancy
0 yrs
Enter your age and lifestyle habits.
What is life expectancy?
Life expectancy is a statistical measure of the average number of additional years a person is expected to live, based on national life tables published annually and broken down by sex. Lifestyle factors such as smoking, exercise, alcohol use, and body weight are known to influence an individual's actual lifespan.
How it is calculated
Estimated life expectancy = baseline (by sex) + smoking adj. + exercise adj. + drinking adj. + weight adj.
Remaining years is the estimated life expectancy minus the current age, floored at 0. Each adjustment constant is a simplified approximation of a known statistical trend — actual outcomes vary widely by individual health, genetics, and access to care.
Important note
This tool is a simplified statistical estimate and not a medical diagnosis or individual lifespan prediction. Consult a healthcare professional for an accurate assessment of your health.
Life expectancy at birth is not life expectancy now
The life expectancy figure in the news is for a child born that year. It is not the remaining years for someone already of a given age, so applying it to yourself misleads.
What a life table computes
Statistics Korea publishes a life table each year, deriving from age-specific mortality how many further years a person of each age can expect — the figure known as life expectancy at that age.
Life expectancy at birth is simply the value at age zero, which makes it sensitive to infant mortality; much of the historical rise reflects fewer deaths in early childhood.
At older ages the figure carries the condition of having survived that far, so current age plus remaining expectancy exceeds life expectancy at birth — which is why a sixty-year-old's projected age runs higher.
What an average means for one person
A life table assumes today's age-specific mortality persists; changes in medicine and living conditions move the real outcome away from the calculation.
Values differ by sex, and statistics show gaps by region and income. Individual factors — smoking, drinking, activity, chronic disease management — are not in the table.
It is therefore not a personal forecast. It compares population health and underpins pension and insurance finance.
Healthy life expectancy
Healthy life expectancy counts years lived without disease or disability, and the gap against total life expectancy is time spent unwell or needing care.
When life expectancy rises without healthy years rising alongside, only that gap widens — which is why retirement planning separates medical and care costs.
Both figures belong in pension timing and retirement design: income is needed across the full span, but the spending pattern changes sharply once healthy years end.
Legal basis
- Life tables and remaining expectancy — Statistics Korea
- Healthy life expectancy — Korea Health Promotion Institute and WHO indicators
- Cause of death statistics — Statistics Korea