Definition
Healthy life expectancy is the number of years of life a person is expected to live in good health, distinct from total life expectancy, which counts all remaining years regardless of health status.
Why it matters
Lifetime income planning has traditionally focused on the years dimension — how long savings need to last — but the quality dimension matters too. The gap between healthy life expectancy and total life expectancy is the late-life period when health-related costs and care needs typically rise even as discretionary spending falls. Naming the gap separates two distinct components of late-life financial exposure that mortality-only framing leaves combined.
How it works
Healthy life expectancy is constructed from population health surveys that record disability, functional limitations, or self-reported health status, combined with standard mortality data. The methodology produces an estimate of how many of a person's remaining years are expected to be lived in a state defined as healthy, with the remaining years lived in less-than-good health. In recent US data, a person at birth has a total life expectancy of approximately 77 years and a healthy life expectancy of approximately 66 years (World Health Organization estimates), leaving a gap of approximately 11 years lived in less-than-good health. The gap widens at older ages — a person reaching 65 typically has more remaining years of less-than-healthy life than a person reaching 25, because health declines concentrate in later years.
In practice
For an individual planning for retirement, healthy life expectancy is a useful complement to total life expectancy when thinking about the shape of late-life spending. The years of good health typically support discretionary spending — travel, hobbies, activity-based lifestyle — and the years of less-than-good health typically shift spending toward health-related costs, including care and assistance. Both phases need to be funded, but they have different spending profiles. A professional discussing retirement income should be able to surface both dimensions rather than only the total years.
In the Longevity Standard Framework
Healthy life expectancy is supporting vocabulary in the Longevity Standard framework, providing context for the late-life period during which lifetime income arrangements operate. The framework centers on the cost of providing income across the planning horizon — the total years dimension — but the healthy-versus-less-than-healthy split shapes how that income is spent and how the morbidity-related risk dimensions (long-term care risk, cognitive decline risk, morbidity risk) interact with the income stream. The framework treats health status as an input to product design and to participant-level planning rather than as a parameter the four claim properties directly characterize.
Related terms
- Life expectancy
- Healthspan versus lifespan
- Morbidity risk
- Compression of morbidity
- Disability-adjusted life year
- Longevity heterogeneity
- Activities of daily living