Life Expectancy Explorer
Use this non-medical life expectancy explorer to see how age, sex, country, and lifestyle choices can shift your estimated remaining years of life. Everything runs in your browser and uses simplified population-style models, not medical records.
Educational and entertainment only
This life expectancy explorer uses approximate population statistics and simple models. It is not medical advice, does not account for your full health history, and should never replace a conversation with a doctor or licensed clinician.
Health & lifestyle tools
Life Expectancy Explorer
Explore how age, sex, country and lifestyle choices can shift your estimated remaining years of life. These estimates are based on population averages, not individual prediction.
Inputs
Basic information
Lifestyle snapshot
Move the slider to see the estimated probability of reaching a specific age.
Estimated outlook
Summary
Estimated life expectancy: 81.3 years
Estimated remaining time: 46.3 years
Likely range (rough 80–90% of people with similar profiles): 74.3–88.3 years.
Probability of reaching age 85: 38%.
Numbers are approximate and based on population averages, not guarantees for any one person.
Baseline vs lifestyle-adjusted years
Baseline is based only on your age, sex and country. The adjusted estimate layers in your selected lifestyle snapshot.
Overall, your profile looks about +2.0 years vs baseline.
These lifestyle adjustments are intentionally conservative and simplified. They cannot capture every medical or genetic factor.
Survival curve
This curve shows the estimated probability of still being alive at each future age, assuming your profile stays similar over time.
Not a medical device
This calculator cannot diagnose conditions, estimate personal risk with precision, or replace professional medical guidance. If you have questions about your health or risk factors, talk with your doctor or another licensed clinician.
How this life expectancy calculator works
Life expectancy is a statistical concept: it describes the average number of years a person in a particular population is expected to live, given their current age. It is based on large life tables that track how many people, on average, survive from one age to the next. Those tables blend many factors together, including changes in public health, access to care, accidents, and long-term disease trends. An individual person's outcome can be very different from the average, but the averages still offer a useful, big-picture view.
How life tables estimate remaining years of life
Traditional life tables start with a large group of people at birth and then apply age-specific mortality rates to estimate how many are likely to be alive at each future age. From that survival curve, statisticians can calculate the average remaining years of life at any age. For example, someone who has already reached 60 typically has a higher remaining life expectancy than “life expectancy at birth” might suggest, because they have already lived through earlier, higher-risk years. This tool mimics that idea using simplified formulas, so your remaining years do not just equal life expectancy at birth minus your current age.
What factors affect life expectancy?
At the population level, life expectancy varies by sex, country, region, and birth cohort. In many countries, women have a higher life expectancy than men. Countries with stronger public health systems, safer transportation, and lower rates of extreme poverty tend to see longer average lifespans. Within each population, lifestyle patterns such as smoking, long-term alcohol use, physical activity, body weight, stress, and sleep quality are all linked to changes in long-term risk. The sliders and dropdowns in this life expectancy calculator are meant to approximate those patterns in a simple way.
In this tool, lifestyle choices are modeled as small positive or negative adjustments to a baseline estimate. A heavy smoking profile can reduce estimated remaining years, while high regular exercise and good sleep can add a few years relative to the baseline for your age, sex, and country. These adjustments are intentionally conservative and do not attempt to quantify the full impact of any one habit.
Why your personal risk is different from population averages
Even the best life tables cannot predict what will happen to a single person. Real people have unique medical histories, genetic predispositions, accidents, illnesses, and life events that are never fully captured in population statistics. Two people of the same age and lifestyle can have very different health trajectories. This is why the results you see here are described as approximate and framed as probabilities rather than promises.
When you see phrases like “probability of reaching age 90” or “remaining years of life,” they are based on the shape of a model survival curve, not on your individual medical data. It is normal for real outcomes to land far above or below these averages. Use these numbers to develop intuition about trends, not to make precise predictions.
Using this life expectancy calculator responsibly
This life expectancy explorer is a non-medical estimator built for education and reflection. It can help you understand how population-level life expectancy by age and health and lifestyle risk factors interact, but it cannot diagnose conditions or tell you how long you personally will live. If seeing these numbers raises questions or worries, the best next step is to talk with a doctor or another qualified professional who can look at your full medical history.
Like any life expectancy calculator, this tool has important limits. It uses simple math, does not include every disease or treatment, and assumes that your lifestyle stays relatively stable over time. Treat the outputs as a starting point for thinking about healthy changes, not as a forecast. The most productive takeaway is usually not the exact number of remaining years of life, but the reminder that better habits today can shift the odds in your favor over the long run.