Healthy Longevity: What It Means, What It Does Not Mean, and Why It Matters for Viet Nam
FOUNDATIONS & MEASUREMENT
Category: Foundations & Measurement
Content Type: Evidence Explainer
Last reviewed: September 2026
Healthy Longevity: What It Means, What It Does Not Mean, and Why It Matters for Viet Nam
People are living longer. This is one of the major achievements of modern public health, medicine, education and socioeconomic development. But longer life raises another important question: how much of those additional years can be lived with good health, meaningful function, independence, participation and well-being?
This is where the idea of healthy longevity becomes useful. It shifts the conversation from simply extending the number of years people live to considering the health and function experienced during those years. It also takes the discussion beyond healthcare alone. How people age is shaped over time by many interacting influences, including nutrition, physical activity, sleep, education, work, social relationships, environmental exposures, economic and social conditions, access to prevention and healthcare, and the biology of aging.
For Viet Nam, this discussion is becoming increasingly relevant. People are living longer, the population is aging rapidly, noncommunicable diseases account for most deaths, and national policy is placing greater emphasis on prevention, health across the life course, healthy years of life and preparation for older age. Healthy longevity therefore should not be seen as a niche interest in reaching an exceptional age. It raises a much broader and more practical question: how can longer lives also become healthier lives?
What does healthy longevity mean?
There is no single definition of healthy longevity universally adopted by every scientific, clinical or policy organization. One influential framework comes from the National Academy of Medicine's Global Roadmap for Healthy Longevity. It defines healthy longevity as a state in which years lived in good health approach the biological life span, with physical, cognitive and social functioning that enables well-being. The roadmap also emphasizes that healthy longevity is shaped across the life course and by society, rather than being simply a medical issue that begins in later life.
Healthy longevity is closely related to several other concepts, but they are not interchangeable. Lifespan refers to how long an individual lives. Life expectancy is a population measure that estimates the average number of years people can be expected to live under a given set of mortality conditions. Healthy life expectancy, often abbreviated as HALE, is the average number of years a person can expect to live in “full health,” taking into account time lived in less than full health because of disease or injury. It is a population-level measure and should not be interpreted as a prediction of an individual's future health or lifespan.
Healthspan is commonly used to describe the period of life spent in relatively good health, but the term is less standardized than it may appear. A 2025 systematic review examining 207 publications found substantial variation in how healthspan was defined and operationalized. The authors concluded that definitions and measurement approaches are not yet standardized, which makes comparisons across studies difficult. This matters because claims about “extending healthspan” may refer to quite different outcomes depending on how a study defines and measures it.
Healthy aging, meanwhile, has a well-established World Health Organization framework. WHO defines healthy aging as the process of developing and maintaining the functional ability that enables well-being in older age. Functional ability depends on a person's intrinsic capacity, meaning their physical and mental capacities, the environments in which they live, and the interaction between the two. This perspective recognizes that health in later life cannot be understood simply by counting diseases.
For Healthy Longevity Vietnam, healthy longevity is best understood as a broad, evidence-informed goal: enabling longer lives with better health, function, participation and well-being, while recognizing that the foundations for these outcomes are shaped across the life course.
Healthy longevity is built across the life course
Longevity does not suddenly become relevant when someone reaches their 60s or 70s. The foundations for health in later life are shaped much earlier.
The World Health Organization's 2025 framework for implementing a life-course approach emphasizes that health trajectories develop through interactions among biological, psychosocial and environmental influences over time. A good start to life, healthy development during childhood and adolescence, adult health and well-being, healthy aging and a dignified end of life are connected parts of the same continuum. Critical periods, transitions and cumulative exposures can all influence later health.
This does not mean that every chronic disease, disability or decline in later life can be prevented. Genetics, environmental exposures, social circumstances, chance and many other factors matter. Nor should healthy longevity become a standard by which people are blamed or judged for how they age. The more useful point is that opportunities to protect health, maintain function and reduce avoidable risks often exist long before older age, and societies can influence many of the conditions that shape those opportunities.
A life-course perspective therefore makes healthy longevity relevant to younger generations as well. Maternal and child health, healthy development, education, nutritious diets, regular physical activity, mental well-being, avoiding tobacco, reducing harmful alcohol use, healthier environments, preventive care and appropriate management of cardiovascular and metabolic risk all contribute to health trajectories that extend into later life. Healthy longevity is not a program for older people alone. It is also about building and preserving health before substantial loss of capacity occurs.
What healthy longevity does not mean
The rapid growth of public and commercial interest in longevity has brought greater attention to aging research, but it has also created considerable confusion. Healthy longevity is not synonymous with “anti-aging,” and it does not imply that aging can simply be eliminated or reversed.
The concept also does not validate any particular supplement, medication, hormone regimen, diagnostic test, device, diet or commercial longevity program. Evidence that a biological pathway is associated with aging does not by itself demonstrate that modifying that pathway will help people live longer or remain healthier. Similarly, a change in a biomarker does not automatically establish that someone has become “biologically younger” or that a clinically meaningful improvement in health, function or survival will follow.
Research into the cellular and molecular biology of aging is important, and new biomarkers or interventions may eventually contribute to prevention, diagnosis or treatment. But emerging approaches need to be evaluated according to the strength and reproducibility of the evidence, the populations studied, clinically meaningful outcomes, potential harms and the extent to which research findings can reasonably be translated into real-world care.
This distinction matters in a field where scientific discovery, commercial development and public enthusiasm do not always move at the same speed. Responsible communication about healthy longevity should distinguish clearly between evidence that is sufficiently established for current practice, promising findings that remain incomplete, and hypotheses that are still being investigated.
Healthy longevity is also more than simply being free of diagnosed disease. Someone may live with one or more chronic conditions while maintaining considerable independence, mobility, relationships, participation and quality of life. Conversely, the absence of a major diagnosed disease does not necessarily mean that physical, cognitive or social functioning is optimal.
This is one reason the WHO healthy aging framework places functional ability at its center. The environment around a person also matters. Accessible transportation, safe housing, supportive communities, appropriate healthcare, social connection and financial security can influence whether a person continues to do the things that matter to them, including when some physical or mental capacity has declined.
A meaningful view of healthy longevity therefore needs to look beyond mortality and disease alone. Mobility, cognition, psychological well-being, independence, social participation and the ability to continue engaging in meaningful activities are also important outcomes.
Why healthy longevity matters for Viet Nam
Viet Nam's demographic transition makes these questions increasingly practical. According to the 2024 Mid-Term Population and Housing Census, average life expectancy reached 74.7 years in 2024. Viet Nam had approximately 14.2 million people aged 60 years or older, while people aged 65 years and above represented 9.3% of the population. The number of people aged 60 and above is projected to approach 18 million by 2030.
The transition is expected to continue rapidly. In February 2026, the United Nations Population Fund noted that within roughly a decade, more than one in five people in Viet Nam is expected to be over 60. Longer life is an achievement and an important sign of social and health progress, but rapid population aging also means that health systems, families, communities, workplaces and social protection arrangements will increasingly need to adapt to a population living longer.
At the same time, longevity in Viet Nam cannot be separated from chronic disease. WHO reported in December 2025 that noncommunicable diseases, including cardiovascular disease, cancer, chronic respiratory disease and diabetes, account for approximately 80% of deaths in Viet Nam. These conditions matter not only because of mortality, but also because of their effects on disability, functional ability, long-term care needs and healthcare utilization.
The goal, therefore, cannot simply be to increase the number of years lived. An equally important question is whether additional years can be accompanied by better health and function, while ensuring appropriate treatment, rehabilitation, care and support when illness, disability or dependency occurs.
Recent developments in Viet Nam's policy environment make this perspective particularly timely. The National Strategy for Older Persons to 2035, with a vision to 2045, approved under Decision No. 383/QĐ-TTg on February 21, 2025, provides a national framework for responding to population aging and improving the lives of older people.
The Law on Population No. 113/2025/QH15, adopted on December 10, 2025 and effective from July 1, 2026, places adaptation to population aging within Viet Nam's population framework. Among its measures, the law addresses proactive preparation for older age, care for older people and development of the workforce needed for older-person care. It specifically encourages preparation for older age from younger years through health, financial and psychological preparation; participation in social and health insurance; continued learning; and maintaining physical health, mental health and social functioning.
Another important national policy direction comes from Politburo Resolution No. 72-NQ/TW of September 9, 2025. The resolution calls for a stronger shift from a treatment-centered approach toward proactive disease prevention and comprehensive health promotion across the life course. It sets a target for average life expectancy to reach 75.5 years by 2030, including at least 68 years of healthy life, and a 2045 vision of average life expectancy above 80 years with more than 71 healthy years.
These policies should not be interpreted as creating or endorsing a particular model of “longevity medicine.” Rather, they show that several priorities closely related to healthy longevity, including prevention, life-course health, healthy years of life, functional capacity and adaptation to population aging, are becoming increasingly prominent within Viet Nam's health and population agenda.
From individual choices to the conditions in which people live
Healthy longevity is sometimes presented mainly as a matter of individual behavior: eat well, exercise, sleep enough and manage stress. These behaviors matter, but that framing is incomplete.
People make health-related choices within social, economic and physical environments. The ability to eat nutritious food is influenced by availability, affordability and knowledge. Opportunities for physical activity are affected by neighborhood design, transportation, working conditions and access to safe public spaces. Preventive care depends partly on health literacy, affordability, service availability and how the healthcare system is organized. Social connection is influenced by families, communities, workplaces and the built environment.
Income, education, working conditions, air quality, housing, social protection and access to healthcare can all shape health trajectories. Healthy longevity is therefore also an equity issue. Improvements in national averages can coexist with substantial differences between population groups if opportunities for healthier lives are unevenly distributed.
This is consistent with WHO's life-course approach, which recognizes that health and well-being emerge from interactions among biological, psychosocial and environmental factors and that cumulative exposures can influence health over time.
For Viet Nam, this means that healthy longevity should not be considered only within hospitals or clinics. It is also relevant to primary care, schools, workplaces, urban planning, communities, families, social policy and the wider environments in which people live.
Where does geroscience fit?
Geroscience is an important part of modern healthy longevity research, but it is only one part of the larger picture. The U.S. National Institute on Aging describes geroscience as a field seeking to understand how the molecular and cellular mechanisms of aging contribute to chronic diseases and conditions associated with older age. The field explores whether better understanding of aging biology could ultimately help delay or reduce multiple age-related diseases and losses of function rather than addressing each condition entirely in isolation.
This is a scientifically important area, and the evidence base is developing rapidly. At the same time, discoveries in model organisms, molecular pathways or biomarkers should not automatically be interpreted as proven interventions for extending healthy human life.
Healthy longevity also depends on actions that are relevant now: preventing and managing chronic disease, supporting physical and cognitive function, reducing harmful exposures, strengthening primary and preventive care, improving living environments and addressing social conditions that affect health.
A credible healthy longevity agenda therefore needs to hold two ideas at the same time: take emerging science seriously, while not allowing emerging science to overshadow interventions, services and environments for which meaningful evidence already exists.
A broader way to think about longer lives
Healthy longevity is not a promise of a particular lifespan, nor a guarantee that illness, disability or dependency can always be avoided. It is a way of asking better questions about longer life.
Instead of asking only, How can people live longer?, we can also ask: How can more people maintain health and function for longer? What conditions help people remain independent, connected and able to participate in society? How can chronic disease be prevented or better managed? How should communities and health systems adapt as populations age? And how should emerging longevity science be evaluated responsibly?
For Viet Nam, these questions are moving from the theoretical to the practical. Population aging is accelerating, noncommunicable disease already represents a major health burden, and national policy is increasingly emphasizing prevention, health across the life course, adaptation to aging and healthy years of life.
Healthy longevity should therefore not be understood as the pursuit of immortality or the rejection of aging. A more useful goal is to create conditions in which more people can experience longer lives with better health, function, participation and well-being, while ensuring that those who develop illness, disability or care needs can continue to live with dignity and appropriate support.
That is the perspective Healthy Longevity Vietnam will use when examining evidence: looking beyond headlines about living longer to ask what the evidence actually tells us about living longer and living well.
References
National Academy of Medicine. Global Roadmap for Healthy Longevity. Washington, DC: The National Academies Press; 2022. doi:10.17226/26144.
World Health Organization. Framework to Implement a Life Course Approach in Practice. Geneva: World Health Organization; 2025. ISBN 978-92-4-011257-5.
World Health Organization. Ageing: Healthy Ageing. World Health Organization. Accessed September 2026.
World Health Organization. Healthy Life Expectancy at Birth (Years): Indicator Metadata. WHO Data. Accessed September 2026.
Masfiah S, Kurnialandi A, Meij JJ, Maier AB. Definitions of healthspan: a systematic review. Ageing Research Reviews. 2025;111:102806. doi:10.1016/j.arr.2025.102806.
World Health Organization. Measuring the Progress and Impact of the UN Decade of Healthy Ageing (2021–2030): Framework and Indicators Recommended by WHO Technical Advisory Group. Geneva: World Health Organization; 2025.
National Statistics Office of Viet Nam. Press Release: Results of the 2024 Mid-Term Population and Housing Census. 2025.
United Nations Population Fund Viet Nam. Population Ageing in Viet Nam: From Demographic Transition to Development Opportunity. February 10, 2026.
World Health Organization Viet Nam. Viet Nam Unites to Tackle Top Causes of Disease and Death. December 15, 2025.
Prime Minister of Viet Nam. Decision No. 383/QĐ-TTg dated February 21, 2025, approving the National Strategy for Older Persons to 2035, with a vision to 2045.
National Assembly of Viet Nam. Law on Population No. 113/2025/QH15, adopted December 10, 2025, effective July 1, 2026.
Politburo of Viet Nam. Resolution No. 72-NQ/TW dated September 9, 2025, on breakthrough measures to strengthen the protection, care and improvement of people's health.
National Institute on Aging. Trans-NIH Geroscience Interest Group: Exploring the Relationship Between Aging and Disease. National Institutes of Health. Accessed September 2026.
Disclaimer
This article is provided for general educational and informational purposes only. It does not constitute medical advice, diagnosis, treatment recommendations, legal advice, or an endorsement of any specific product, test, technology, medication, supplement, healthcare service or commercial longevity program. Evidence in healthy longevity and aging research continues to evolve, and findings from particular research populations may not apply directly to every individual or to the Vietnamese population. Decisions about personal health, screening, diagnosis, treatment or medication should be made with appropriately qualified healthcare professionals and in accordance with applicable laws, regulations and clinical guidance in Viet Nam.