Battling the Silent NCD Epidemic: Primary Health Care Reforms for Asia-Pacific

In its A Healthy Future report, published in 2026 by the World Bank, a multidisciplinary team of experts sounds the alarm. A silent epidemic of non-communicable diseases (NCDs) threatens Asia and the Pacific, a region home to over 2.3 billion people.

@Banque Mondiale

Life expectancy there is steadily increasing—reaching an average of 75.5 years in 2021—but years spent in poor health are inexorably lengthening. Diabetes, hypertension, and cardiovascular conditions are the main drivers.

Cambodia perfectly illustrates this striking paradox: its rapid economic emergence is accompanied by dazzling successes in maternal and child health, with neonatal mortality plummeting. Yet, a growing vulnerability to NCDs now strikes working-age adults, threatening the very heart of its productive workforce.

Primary Health Care: Definition and Pivotal Role in Communities

Primary health care (PHC), or soins de santé primaires in French, serves as populations' first point of contact with the health system. According to the landmark 2018 WHO-UNICEF report, these services adopt a holistic "whole-of-society" approach. They encompass health promotion, disease prevention, curative treatment, rehabilitation, and palliative care, all firmly rooted in local communities.

Unlike specialized care, which is often centralized and technology-focused, primary health care mobilizes general practitioners and community-based teams. These professionals ensure continuity of care and a holistic view of risks, integrating social, environmental, and behavioral factors.

In Cambodia, where 60% of the population still lives in rural areas, primary health care is vital. It enables early detection of diabetes, whose prevalence is alarmingly rising, and hypertension. At the same time, it preserves gains in reproductive health, such as mass tetanus vaccination for mothers or reductions in risky abortions. In a context of geographic dispersion—from the Tonlé Sap plains to the Mondolkiri hills—these proximity services provide an adapted response to local realities, far from Phnom Penh's overloaded urban hospitals.

The Structural Threat of Non-Communicable Diseases: An Unprecedented Epidemiological Transition

The region is undergoing an unprecedented epidemiological transition, shifting from a burden dominated by infectious diseases to an era of chronic conditions. Between 2000 and 2021, the gap between life expectancy and healthy life expectancy widened, from 8.5 to 9.3 years. NCDs now account for 50% of the global morbidity burden.

In the Pacific islands, one in two adults risks premature death from cardiovascular causes, cancers, diabetes, or chronic obstructive pulmonary disease (COPD). These figures are not abstract: they translate to shortened lives and impoverished families.

In Cambodia, adult obesity has exploded, rising from 29% to nearly 60% in just twenty years. This surge is driven by galloping urbanization (from 37% to 60% of the population) and the widespread adoption of processed diets rich in sugars and fats. Accelerated aging weighs heavily: 14% of the Chinese and Thai populations are over 65, a ratio expected elsewhere. Air pollution, alcohol consumption (triple the global average), and climate change—devastating typhoons in the Philippines, heatwaves in India—amplify these risks. Cambodia combines these headwinds with particular intensity: its infant mortality has been divided by ten since 2000, thanks to heroic vaccination campaigns. Yet, NCDs now strike the 30-70 age group, stalling the hoped-for demographic dividend and jeopardizing inclusive growth.

Glaring Weaknesses in Regional Primary Health Care: A System Under Strain

The Universal Health Coverage Service Coverage Index (UHC SCI) is progressing in the region, with gains exceeding 13 points in China, Indonesia, and Thailand between 2010 and 2021. However, primary health care is dramatically lagging.

Accessibility remains an Achilles' heel: in rural Indonesia, 30% of residents take more than two hours to reach a health center.

In Cambodia, the rural-urban gap halves under-5 mortality (57 vs. 40 per 1,000 births), a divide reflecting failing infrastructure and impassable roads during the rainy season.

The quality of primary health care is equally concerning. It accounts for 33% of preventable deaths in the region (27% in Thailand, 43% in Vietnam), according to World Bank estimates. Catastrophic expenditures—those pushing households into ruin—affect 17% of EAP families, and up to 24% in Cambodia, despite free policies for the most vulnerable. Theoretical care packages covering reproductive, maternal, neonatal, and child health (RMNCH), NCDs, or geriatrics falter amid glaring shortages.

Thus, 69% of Indonesian health centers lack qualified staff; the skill-mix—the distribution of competencies—is inadequate, with overburdened nurses and a glaring shortage of doctors trained in chronic conditions. These dysfunctions are far from trivial: they perpetuate a vicious cycle of inequalities, where rural and poor populations pay the heaviest price of inaction.

Four Key Reforms to Transform Primary Health Care

To reverse the trend, the World Bank advocates four ambitious reforms, inspired by regional and global successes.

Reorient service delivery: Prioritize NCD prevention and management. Telemedicine, deployed in 16 of the region's 25 countries, enables remote consultations in isolated areas. Task-shifting—delegating tasks to non-physicians—proves as effective as a doctor in China or Nigeria. Mobile clinics, like those in Mongolia, reach steppe nomads. The Thai model excels here: its integrated networks seamlessly connect rural and urban areas, with community health centers (CHCs) equipped for rapid diagnostics.

Rigorous quality measurement: Vietnam deploys real-time digital dashboards; patient audits assess satisfaction; transparent metric publication enables informed user choices and performance-based financing (PBF), as in neighboring Rwanda.

Incentivize care providers: Performance capitation, like Indonesia's JKN covering 23,000 facilities, rewards efficiency. In Cambodia and Laos, contracting dynamic private clinics—which already handle 60% of consultations—could fill public gaps.

Boost demand among populations: Behavioral nudges work wonders, like Taiwanese SMS reducing missed medication doses or Japanese campaigns boosting screening. Conditional cash transfers increased adherence by 15 points in Armenia; wearables for glucose monitoring appeal to connected urbanites.

Economic Returns, Equity, and Prospects: A Strategic Investment

Investing in primary health care yields a 16-fold return on investment, according to World Bank modeling. One direct health job generates 3.4 indirect ones through boosted productivity and reduced sick leave. In Cambodia, pivoting from RMNCH priorities to NCDs would secure growth: Fiji, for example, already loses 4.7% of GDP to chronic diseases. Nine regional countries apply point-of-service waivers; digital is prioritized, with electronic health records (EHR) in 7 of 19 analyzed countries, facilitating longitudinal tracking.

What is RMNCH? RMNCH stands for Reproductive, Maternal, Newborn, and Child Health. This integrated framework, promoted by WHO, UNICEF, and the World Bank, targets critical lifecycle stages: family planning and reproductive health (contraception, STI prevention); prenatal care, assisted deliveries, and postpartum for mothers; resuscitation and early breastfeeding for newborns (first 28 days); vaccinations, nutrition, and treatments for diarrhea/pneumonia in children up to 5 years. In Cambodia, these interventions have divided infant mortality by ten since 2000, via free clinics and vaccination campaigns. Yet, the article calls for a "pivot" to NCDs, as chronic conditions now threaten the adult workforce, making an exclusive RMNCH focus obsolete amid urbanization and aging.

Political leadership makes the difference: Indonesia and Thailand, with their evidence-based roadmaps, lead the way. Cambodia, with its vibrant private markets and dynamic youth, can achieve a leapfrog—qualitative jump—through tailored reforms. Protecting human capital against NCDs is not just a health emergency: it is the condition for sustainable prosperity across the region, in a post-pandemic world where resilience matters more than ever.

Source: World Bank