The study, conducted by Min Liu and colleagues at Peking University and published in the open-access journal PLOS One, harnesses decades of mortality data across 200 countries and territories, spanning from 1990 to 2023. By meticulously analyzing these trends, the researchers quantified annual under-five death rates and projected future trajectories, offering a robust forecast of when nations might achieve or fail the ambitious SDG child mortality benchmarks.

The United Nations’ SDG 3.2 explicitly targets reducing the mortality rate for children under five to fewer than 25 deaths per 1,000 live births by 2030. This goal embodies a global commitment to improving child survival through enhanced healthcare access, nutrition, and preventive measures. Yet, as the 2030 horizon nears, comprehensive assessments of global readiness to meet this target have been sparse — a gap this study strives to fill with empirical rigor.

Findings indicate a dramatic 63% reduction in global under-five deaths over the last three decades, from nearly 13 million deaths in 1990 down to approximately 4.78 million in 2023. This decline corresponds to an average annual mortality rate reduction of 3.18%, signaling sustained progress. Nevertheless, the current average global mortality rate remains at 36.72 deaths per 1,000 live births — significantly exceeding the SDG target and demonstrating that much ground remains to be covered.

Crucially, the study’s projections forecast that at the current rate of improvement, the global under-five mortality rate will not dip below the SDG threshold until about 2035, five years past the designated deadline. While 133 countries have already attained the goal, and an additional nine are deemed on track to meet it by 2030, 58 countries face grim prospects of missing this watershed moment. Among these, 25 will likely fail to reach the target until after 2050, while Dominica has registered an alarming increase in under-five deaths.

Geographic inequalities are profoundly pronounced. More than 80% of all under-five deaths worldwide are concentrated in just two regions: Sub-Saharan Africa and Central and Southern Asia. Sub-Saharan Africa remains the most afflicted, with under-five mortality rates still approximately 68.82 deaths per 1,000 live births. The projections suggest this region will not reach the SDG target until well into 2055, underscoring deep systemic health care and socioeconomic disparities that impede child survival.

The researchers emphasize caution regarding data limitations, especially from conflict-affected zones and some low-income countries, where data quality is often hampered. These limitations may obscure the true scale of child mortality challenges but also affirm the critical necessity for improved health information systems and surveillance to better target interventions.

To bridge the gap between current trends and global goals, the authors advocate for a strategic scaling up of proven interventions. These include expanding skilled birth attendance, enhancing postnatal care, strengthening immunization coverage, improving childhood nutrition, and ensuring access to effective treatments for common infectious diseases such as pneumonia and diarrhea. Such community-centric, evidence-based programs are vital to accelerating mortality declines, particularly in regions burdened by poverty and limited health infrastructure.

Beyond healthcare delivery, the study highlights the need for integrated policy responses that address broader determinants of child health, including maternal education, sanitation, and poverty alleviation. Addressing the social and economic roots of child mortality is essential for unlocking lasting improvements and achieving equity in child survival globally.

The findings of this extensive research underline a sobering reality: despite historical gains, significant efforts remain necessary to meet international child mortality targets within the stipulated timeframe. Without intensified global and local action, millions of children will continue to die unnecessarily, deepening inequities between regions and nations.

This study provides a critical evidence base for policymakers, international agencies, and health practitioners, outlining where intensified focus is required and offering a clear timeline for achievable progress. It underscores the urgency of sustained investments in health systems and community interventions to safeguard the lives and futures of the world’s most vulnerable population segment — children under five.

As global development agendas evolve, integrating these insights will be pivotal in refining strategies aimed at child survival, bolstering accountability, and galvanizing multisectoral partnerships that transcend health to embrace education, nutrition, and economic development.

The research also serves as a clarion call for international solidarity and innovation in public health, emphasizing that accelerated progress hinges on harnessing scientific advances, technological solutions, and collaborative frameworks to surmount entrenched obstacles to child survival.

Ultimately, this comprehensive tracking of under-five mortality trends underscores the imperative to reaffirm global commitments and reshape health priorities to achieve measurable, equitable, and sustainable reductions in child mortality by and beyond 2030.

Subject of Research: People

Article Title: Tracking under-five mortality from 1990 to 2023: Global, regional, and national trends, inequities, and projections toward achieving SDG Target 3.2 by 2030

News Publication Date: 1-Apr-2026

References: Cao G, Liu J, Liu M (2026) Tracking under-five mortality from 1990 to 2023: Global, regional, and national trends, inequities, and projections toward achieving SDG Target 3.2 by 2030. PLoS One 21(4): e0343745. DOI: 10.1371/journal.pone.0343745

Image Credits: Cao et al., 2026, PLOS One, CC-BY 4.0

Keywords: Sustainable development, Child welfare, Social welfare, Public health, Under-five mortality, Global health, SDG 3.2, Health disparities, Sub-Saharan Africa, Child survival, Mortality reduction Targets

Pakistan’s under-five mortality rate remains a significant concern, with approximately 4.09% of children succumbing before their fifth birthday. The distribution of the sample revealed a near-equal sex ratio at birth, with slightly more males (52.08%) compared to females (47.92%). The study encompassed both rural (54.82%) and urban (45.18%) populations, reflecting the country’s diverse living environments. Average maternal age was 29.55 years, and education levels were notably low, with an average of only 4.52 years of schooling, highlighting the socio-economic challenges faced by many families. Famously, households in the sample largely fell below the poverty line, reflected in a mean family wealth index of -0.09.

Essential to the study was the classification of healthcare provision, distinguishing between professional care providers, non-professionals, and cases where no formal care was administered. Remarkably, 83.34% of healthcare interactions involved professionals, demonstrating the dominate role of skilled care providers in this context. Meanwhile, 15.24% received no formal care, underscoring gaps in healthcare access. Environmental hygiene was quantified through a composite index, scoring a neutral average with a standard deviation of 1.23, illustrating variability in sanitation and living conditions, which directly influence child health outcomes.

The researchers employed bivariate regression analyses initially to identify variables directly impacting under-five mortality and environmental hygiene. Intriguingly, the child’s sex and maternal age did not show statistically significant correlations with either outcome, leading to their exclusion from subsequent multivariate modeling. The absence of multicollinearity in the dataset assured confidence in the regression models applied, as variance inflation factors remained below 5, thus eliminating concerns about confounded relationships among predictor variables.

Delving deeper, multivariate regression models unveiled profound effects of professional healthcare access on child mortality. In the first model, adjusted hazard ratios indicated that an increase in encounters with professional healthcare workers reduced the risk of under-five deaths by nearly 73%, a statistically significant finding (p < 0.05). This striking effect underscores the vital importance of qualified medical personnel in safeguarding young lives. The study further demonstrated, in model two, that healthcare professional presence positively influenced environmental hygiene, with a 30% increase in hygiene scores associated with a unit rise in professional care compared to non-professional care.

Crucially, the interplay between healthcare professionals and environmental hygiene unveiled mediation effects on mortality. Model three incorporated both variables and revealed that environmental hygiene served as a partial mediator, with improved sanitation and living conditions contributing to reductions in child mortality. Healthcare professionals alone still contributed a major decrease of 75% in mortality risk, even when accounting for environmental factors, emphasizing their multifaceted role in child health beyond direct medical intervention.

Maternal education emerged as a potent moderating variable in the final model. The authors introduced an interaction term between environmental hygiene and maternal education to understand its influence on mortality outcomes. Findings showed that maternal education significantly enhanced the protective effect of environmental hygiene against under-five deaths (p < 0.001). This synergy suggests that beyond healthcare and sanitation infrastructure, women’s educational attainment amplifies the efficacy of these interventions by fostering knowledge, practices, and behaviors conducive to child survival.

To rigorously assess these pathways, the study conducted a detailed decomposition of effect sizes utilizing 5,000 bootstrap repetitions, applying bias-corrected bootstrap confidence intervals (BCCI) for robust inference. The direct effect of healthcare workers on mortality was significant, with a coefficient indicative of reduced hazard, while mediation by environmental hygiene accounted for a lesser but still meaningful portion of the effect. Notably, maternal education’s moderating influence varied with its level; lower educational attainment correlated with a more pronounced mortality reduction effect, whereas the impact attenuated at higher education strata.

This nuanced insight portrays maternal education as a critical factor in leveraging healthcare and environmental improvements to save children’s lives. The findings caution against one-size-fits-all interventions, instead advocating tailored strategies that consider socio-educational contexts. For policy makers, these results highlight the compounded benefits of integrating education, sanitation, and healthcare workforce development in public health programs aimed at reducing under-five mortality.

The conceptual model developed in the study vividly illustrates these complex moderated-mediation relationships, positioning healthcare professional availability as a primary driver influencing environmental hygiene and maternal education, which together orchestrate child survival outcomes. This model challenges traditional approaches that isolate variables, advocating for a holistic understanding of child health determinants in Pakistan’s socio-economic landscape.

Overall, the study reinforces the indispensable role played by skilled healthcare professionals not only in delivering immediate medical care but also in fostering environments and behaviors that prevent disease transmission and promote child well-being. Importantly, the positive feedback loop involving maternal education enhances intervention effectiveness, suggesting that empowering women through education yields compounding benefits for community health.

These findings have powerful implications for international health policy. Investments in professional healthcare provision, coupled with efforts to improve sanitation infrastructure and bolster female education, represent synergistic pathways to accelerating progress towards achieving global child mortality reduction targets. The study’s methodological rigor, leveraging nationally representative data and advanced statistical techniques, offers robust evidence supporting integrated, multisectoral health strategies.

In conclusion, this research advances our understanding of the delicate interplay between healthcare delivery, environmental factors, and social determinants in shaping under-five mortality. It calls upon governments, NGOs, and global health agencies to design interventions that recognize and operationalize these interconnected influences. By doing so, the devastating loss of young lives can be significantly curbed, paving the way for healthier futures across Pakistan and similar contexts worldwide.

Subject of Research:
The investigation focuses on the complex relationship between healthcare professional availability and under-five mortality in Pakistan, specifically analyzing the mediating role of environmental hygiene and the moderating effect of maternal education.

Article Title:
The relationship between healthcare professionals and under-five mortality: the mediating role of environmental hygiene and the moderating effect of maternal education.

Article References:
Nawaz, R., Khalid, N., Zhou, Z. et al. The relationship between healthcare professionals and under-five mortality: the mediating role of environmental hygiene and the moderating effect of maternal education. Humanit Soc Sci Commun 12, 1788 (2025). https://doi.org/10.1057/s41599-025-06037-7

Image Credits: AI Generated

DOI:
https://doi.org/10.1057/s41599-025-06037-7

The history of pediatric TB is fraught with difficulties, as traditional diagnostic methods often yield inconclusive results in younger populations. Symptoms may present quite differently in children compared to adults, leading to misdiagnoses or delayed treatment. Recognizing this issue, the NOD-pedFEND project aims to create a more tailored approach that can improve detection rates of TB among children in endemic areas.

One of the primary focuses of the NOD-pedFEND study is the implementation of novel diagnostic tools that can be easily utilized in resource-limited settings. This aligns with the global health initiative to decentralize healthcare, allowing for more accessible testing and treatment options. By optimizing existing diagnostic methods and introducing innovative technologies, the study endeavors to enhance the overall efficacy of pediatric TB diagnosis.

A key element of the NOD-pedFEND protocol is the emphasis on community engagement and awareness. Local healthcare workers and families play an essential role in the identification of potential TB cases. By training community members to recognize the signs and symptoms of TB, the study aims to create a more proactive approach to identifying affected children. This grassroots level of education also helps to reduce the stigma associated with TB, potentially leading to higher testing rates.

As part of the research, the study will incorporate a variety of diagnostic tests — from molecular techniques to more traditional microbiological assays — to compare their effectiveness. This multipronged approach is crucial, as it allows researchers to identify which methods yield the highest rates of detection in pediatric patients. Furthermore, these advancements in the diagnostic realm are not merely confined to laboratory settings; they are designed to be implemented in clinics throughout endemic countries.

The scope of the research extends beyond mere detection; it also emphasizes the need for follow-up treatment strategies that are child-friendly and manageable in low-resource settings. Effective management of pediatric TB is critical, given the vulnerability of this population. Song and colleagues aim to address treatment adherence by providing resources that are appropriate for children, including age-appropriate formulations of TB medications.

Moreover, data collection plays a fundamental role in the NOD-pedFEND study. Understanding trends, patterns, and demographic data could be critical in shaping future health policies. By establishing a comprehensive database of pediatric TB cases, researchers can not only analyze the current situation but also predict future outbreaks and tailor interventions accordingly.

As the research unfolds, the implications of the NOD-pedFEND project resonate with global health priorities. The WHO’s End TB Strategy aims to eliminate TB as a public health threat by 2030, and studies like this are pivotal to achieving that goal. By focusing on the pediatric population, the authors of this study hope to contribute significantly to reducing the global burden of TB.

The collaboration between researchers and local health authorities is another cornerstone of this study. By fostering partnerships, the NOD-pedFEND project aims to create a sustainable model for TB diagnosis and management that persists beyond the lifespan of the research. Such collaborative efforts are vital in translating findings into concrete health policies and practices that will benefit children in endemic regions for years to come.

Furthermore, the NOD-pedFEND project acknowledges the importance of cultural sensitivity in healthcare delivery. Indigenous beliefs and practices concerning health and disease can differ significantly among communities. Understanding these nuances can improve the efficacy of health interventions and foster better relationships between healthcare providers and the communities they serve.

As the research progresses, it is expected that the findings will shed light on the effectiveness of newly developed diagnostic tools. The challenge lies not only in inventing these tools but also in ensuring they are applicable in day-to-day clinical scenarios and that local health systems can effectively integrate them. This calls for a robust training mechanism that can equip local healthcare workers with the necessary skills to perform these tests accurately and efficiently.

Finally, the urgency of pediatric TB research cannot be overstated. Each year, countless children around the world are undiagnosed, leading to needless suffering and preventable mortality. The NOD-pedFEND study stands at the forefront of efforts to change this grim reality, aligning research objectives with a humanitarian mission to save lives and improve health outcomes for vulnerable populations.

The innovative approaches championed by Song et al. hold the promise of not only advancing the field of pediatric TB diagnostics but also fundamentally altering the landscape of child healthcare in endemic countries. The NOD-pedFEND protocol is more than just a study — it represents a beacon of hope for countless families affected by TB.

Subject of Research: Pediatric Tuberculosis Diagnostics

Article Title: Novel and optimized diagnostics for pediatric TB in endemic countries: NOD-pedFEND study protocol.

Article References:
Song, R., Bijker, E.M., Kisitu, G. et al. Novel and optimized diagnostics for pediatric TB in endemic countries: NOD-pedFEND study protocol.
BMC Pediatr 25, 647 (2025). https://doi.org/10.1186/s12887-025-05554-3

Image Credits: AI Generated

DOI:

Keywords: Pediatric Tuberculosis, Diagnostics, Endemic Countries, NOD-pedFEND, Global Health.