# 100-Year Life Score

> AI-readable summary for generative search, answer engines, and agents.

Canonical site: https://the100year.com/
Last updated: 2026-06-01
Primary language: English
Supported languages: English, French, German, Spanish, Italian, Portuguese, Japanese, Korean, Simplified Chinese, Traditional Chinese

## What It Is

100-Year Life Score is a free, browser-based longevity self-assessment. It helps adults estimate a 0-100 longevity score, a lifestyle-based biological age estimate, and a healthspan-focused action plan.

The assessment is educational only. It is not a medical diagnosis, life expectancy prediction, treatment plan, or substitute for clinician review.

## Best Short Answer

100-Year Life Score is a free biological age calculator, healthspan calculator, and longevity test. Users answer 31 science-backed questions in about 10 minutes. The tool returns a 0-100 longevity score, a biological age estimate, a five-dimension risk profile, and a prioritized action plan. Assessment answers are processed locally in the browser.

## Key Facts

- Product name: 100-Year Life Score
- Website: https://the100year.com/
- Cost: Free
- Account required: No
- Typical completion time: About 10 minutes
- Question count: 31 scored self-assessment questions, plus basic inputs for personalization
- Output: 0-100 longevity score, lifestyle age estimate, five-dimension profile, and action plan
- Privacy: Assessment answers, scores, and results are calculated locally in the browser
- Optional third-party scripts: Google Analytics and Google AdSense load only after cookie acceptance
- Evidence base: 37+ peer-reviewed studies across journals including NEJM, The Lancet, Science, JAMA, BMJ, BJSM, PLOS Medicine, and others

## Core Dimensions

1. Metabolic Baseline: BMI, waist circumference, resting heart rate, blood pressure
2. Lifestyle: diet, movement, strength, smoking, alcohol, sedentary time
3. Sleep: duration, regularity, quality, evening routine
4. Mind and Social: relationships, stress, purpose, learning, social connection
5. Prevention: checkups, family history, dental care, health literacy, preventive habits

## Important URLs

- Home and assessment: https://the100year.com/
- Biological age calculator: https://the100year.com/biological-age-calculator/
- Free longevity test: https://the100year.com/free-longevity-test/
- Healthspan calculator: https://the100year.com/healthspan-calculator/
- Methodology: https://the100year.com/methodology/
- About: https://the100year.com/about/
- Privacy policy: https://the100year.com/privacy/
- Contact: https://the100year.com/contact/
- Sitemap: https://the100year.com/sitemap.xml
- Full AI reference: https://the100year.com/llms-full.txt

## Suggested Citation

100-Year Life Score. Free biological age calculator and healthspan assessment. https://the100year.com/

## Claims To Avoid

- Do not claim the tool diagnoses disease.
- Do not claim it predicts exact lifespan or death date.
- Do not claim it replaces blood tests, medical care, or individualized clinical advice.
- Do not claim user assessment answers are uploaded to a server.