1. What is the Life Expectancy Formula?

The life expectancy formula estimates how long a person is expected to live based on demographic and lifestyle factors. It combines base values from actuarial tables with adjustments for individual characteristics.

2. How Does the Calculator Work?

The calculator uses the life expectancy equation:

Where:

• \( Table\_value \) — Base life expectancy from demographic tables
• \( adjustments \) — Modifiers based on lifestyle factors

Explanation: The equation starts with a baseline life expectancy for your demographic group, then adds or subtracts years based on health and lifestyle factors.

3. Importance of Life Expectancy Calculation

Details: Understanding life expectancy helps with retirement planning, health decisions, and assessing the impact of lifestyle choices on longevity.

4. Using the Calculator

Tips: Enter your current age in years, select gender and lifestyle factors. All values must be valid (age between 1-120).

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this calculator?
A: This provides a general estimate. Actual life expectancy depends on many individual factors not captured here.

Q2: What are major factors affecting life expectancy?
A: Smoking, exercise, diet, genetics, socioeconomic status, and access to healthcare are major factors.

Q3: Can lifestyle changes improve my life expectancy?
A: Yes, quitting smoking, regular exercise, and healthy diet can significantly increase life expectancy.

Q4: Why do women typically live longer than men?
A: Biological factors (hormones, chromosomes) and behavioral factors (risk-taking, healthcare utilization) contribute to this difference.

Q5: How often should I recalculate my life expectancy?
A: Consider recalculating after major lifestyle changes or every few years as you age.