In a groundbreaking study that sheds new light on aging populations in Ibero-American countries, researchers have delved deep into the years of life expectancy with care needs (YLCN), an increasingly important demographic metric. As nations across the world grapple with aging societies, understanding not just how long people live but also the quality and demands of those additional years emerges as an urgent priority. This research marks a pivotal step in comprehensively assessing the dual dimensions of longevity: the years spent in good health versus those requiring various levels of care.
The crux of this study lies in its focus on the intertwined concepts of ‘curing’ and ‘caring.’ Traditionally, public health metrics emphasize mortality rates and lifespan, centering on how medical interventions can prolong life. However, this approach often overlooks the realities of living those extra years with disabilities or chronic health issues that necessitate personal care. By introducing the measure of YLCN, the study rigorously quantifies how many years elderly individuals are likely to live with unmet or met care needs, thus bridging the gap between mere survival and meaningful life quality.
Ibero-American countries — comprising Latin America, Spain, and Portugal — present unique and complex challenges in this context. They sit at varying stages of the epidemiological and demographic transition while facing disparities in healthcare infrastructure, social support systems, and economic resources. The researchers collected and analyzed comprehensive demographic data across these nations, applying advanced demographic modeling to disentangle the years people live independently from those when they require assistance.
One of the essential technical aspects of the research involves the use of multistate life table models, sophisticated statistical tools that track transitions between health states over time. These models allow the calculation of expected remaining years in various states, such as healthy without care, impaired with care needs, and deceased. By applying these models to population and health survey data, the study estimates not only average life expectancies but the distribution of healthy years versus years dependent on care. The rigor of this methodology ensures that findings accurately reflect the intricate realities faced by aging populations.
A major revelation from the study is the substantial heterogeneity within the Ibero-American region regarding YLCN. Countries like Spain with more robust healthcare and social support infrastructures tend to have longer life expectancies alongside fewer years spent with care dependencies. Conversely, several Latin American countries record shorter lifespans coupled with disproportionately high YLCN, highlighting gaps in preventive care and long-term care availability. This disparity signals potential policy shortcomings and resource allocation challenges that could impact the sustainability of social support systems.
The significance of YLCN measurement extends beyond the individual and family level, influencing broader socio-economic frameworks. Aging populations with increasing care needs place substantial burdens on public health systems, pensions, and familial caregivers. The study frames these pressures within the demographic context, suggesting that addressing YLCN through targeted health interventions and social policies could mitigate economic strains and improve quality of life for the elderly.
Importantly, the research integrates analyses of gender disparities in YLCN, revealing nuanced differences in care dependency between men and women. Women generally live longer but also experience longer periods of care needs, raising critical questions about healthcare equity and the design of gender-sensitive care programs. Understanding these differences is imperative to crafting inclusive social policies, particularly in societies where informal caregiving predominantly falls on female family members.
This study also pioneers a dual lens approach by differentiating between ‘curing’ — efforts to reduce mortality and morbidity through medical innovation — and ‘caring,’ which encompasses the formal and informal care structures supporting those living with chronic conditions or disabilities. This bifocal perspective challenges policymakers and healthcare practitioners to think holistically about aging, emphasizing integrated approaches that span prevention, treatment, and long-term support.
From a methodological viewpoint, the use of current population surveys linked with mortality data enhances the reliability of YLCN estimates. The incorporation of self-reported functional limitations and care need indicators ensures that the data reflect real-world experiences of older adults rather than purely clinical diagnoses. Such granularity is crucial for designing responsive healthcare policies and evaluating their effectiveness over time.
The implications for public policy are profound. Countries with high YLCN must address not only the quantity of life but also invest heavily in healthcare workforce training, caregiver support, and infrastructure for long-term care. Preventive health measures that delay the onset of disabilities — such as enhanced chronic disease management and promote healthy lifestyles — are equally critical. The study advocates for a balanced policy approach that aligns curative health services with robust caring frameworks.
Reflecting on the epidemiological trends, the researchers underscore the dynamic interplay between improved mortality rates and the resulting shifts in morbidity patterns. While medical advancements have extended life, the accompanying rise in non-communicable diseases often leads to prolonged periods of disability and care needs. Tracking YLCN allows for timely identification of these shifts, providing a mechanism for adaptive policy responses.
The global resonance of this research cannot be overstated. As many countries worldwide encounter aging demographics, the insights derived from the Ibero-American context offer transferable lessons. Particularly noteworthy is the study’s potential to inform debates on the sustainability of pension systems, the ethics of elderly care, and the societal responsibilities towards an aging populace.
Moreover, the study highlights the urgent need for better data collection and harmonization across countries. Accurate YLCN estimation depends on standardized metrics for assessing care needs and functional limitations. International cooperation to improve data quality will be imperative for advancing research and policymaking in this domain.
Technological innovation also surfaces as a key enabler. Digital health tools, telemedicine, and AI-driven care coordination hold promise for reducing care burdens and improving quality of life for older adults. The study’s findings underscore the importance of integrating such technologies within health systems facing rising YLCN.
Critically, the study calls for greater societal recognition of caregiving roles, advocating for policies that support informal caregivers through financial aid, respite services, and training. This social dimension is vital as caregiving demands increase with the rise in YLCN, affecting millions of families.
In conclusion, transforming how we understand life expectancy — from a singular focus on longevity towards a nuanced conception incorporating care needs — represents a paradigm shift in aging research. This study illuminates the intricate realities behind demographic statistics, advocates for integrated health and social policies, and offers a compelling framework for addressing one of the 21st century’s most pressing challenges: how to age well in a rapidly changing world.
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Calderón-Jaramillo, M., Spijker, J., Rentería, E. et al. Between curing and caring: years of life expectancy with care needs (YLCN) in Ibero-American countries. Genus 82, 1 (2026). https://doi.org/10.1186/s41118-025-00279-8
Image Credits: AI Generated
DOI: https://doi.org/10.1186/s41118-025-00279-8

