DPH 830 Module 2 Comparing Health Systems Across Countries Example

Three Roads to Coverage: Comparing the Health Systems of Thailand, Costa Rica and the United States

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Doctor of Public Health Program, Aspen University

DPH 830: Global Health

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Three Roads to Coverage: Comparing the Health Systems of Thailand, Costa Rica and the United States

Countries with similar resources can achieve very different health results, and countries with very different resources can achieve similar ones. Comparing health systems helps explain why. This paper compares Thailand, Costa Rica and the United States, three countries that took distinct routes toward health coverage, and draws lessons about financing, primary care, quality and equity that matter for public health leaders.

A Framework for Comparison

Health systems are often described through building blocks: service delivery, the health workforce, information systems, medicines and technologies, financing, and leadership and governance. The framework helps compare systems on common dimensions, though it can hide the ways blocks interact. This paper focuses on financing, coverage, primary care and quality, where differences among the three countries are greatest.

The Three Systems at a Glance

The table summarizes key features of each system.

Thailand

Thailand introduced its universal coverage scheme in 2002, extending tax-financed coverage to people not covered by civil service or social security schemes. Funds flow to district health networks largely through capitation, which encourages primary care and prevention. The scheme reduced out-of-pocket spending and household impoverishment from health costs, and it is widely cited as evidence that a middle-income country can achieve universal coverage.

Costa Rica

Costa Rica finances care mainly through a national social insurance fund that both pays for and delivers services. Since the 1990s, basic primary care teams, each responsible for a defined local population, have provided prevention, outreach and first-contact care. The country achieves life expectancy comparable to high-income nations at far lower cost, though it faces waiting lists for specialist care and fiscal pressure.

The United States

The United States relies on a mix of employer-sponsored private insurance, public programs for older adults, low-income people and veterans, and individual coverage. It spends more per person on health care than any other country, yet coverage is not universal, many people lack a regular source of primary care and outcomes such as life expectancy lag behind peer nations. Fragmented financing contributes to administrative cost and uneven access.

The Role of Primary Care

Evidence across countries links strong primary care to better health outcomes, lower costs and greater equity. Starfield et al. (2005) reviewed studies showing that areas and countries with more primary care physicians and stronger primary care orientation had lower mortality and that primary care helps reduce differences between population groups. Thailand and Costa Rica built coverage around primary care; the United States did not.

Quality as a System Outcome

Coverage without quality does not guarantee health. A global commission estimated that poor-quality care is now a larger barrier to reducing deaths from treatable conditions in low- and middle-income countries than lack of access, and it called for systems to be judged by competent care, user experience and confidence (Kruk et al., 2018). All three countries face quality gaps, though of different kinds. As chronic conditions take a growing share of burden worldwide (Vos et al., 2020), quality increasingly means continuous management of long-term illness rather than one-time treatment.

Equity

Equity asks whether people with greater need receive more care and whether payment is fair. Thailand's scheme reduced gaps between rich and poor in access. Costa Rica's teams reach rural and poor communities. In the United States, insurance status, income and race still shape access and outcomes, a pattern reflected in differences in chronic disease burden across groups. Tracking results by income group shows whether reforms reach the people they were meant to help.

Financing Choices

Tax financing spreads risk broadly and supports single-payer purchasing but depends on government revenue. Social insurance ties coverage to contributions and can struggle with informal workers. Employer-based insurance links coverage to jobs and leaves gaps. Each approach shapes who is covered and how providers are paid, which in turn shapes the services delivered.

Health Workforce

All three countries face workforce challenges. Thailand requires rural service from new doctors and has invested in rural training. Costa Rica relies on community health workers within its primary care teams. The United States has shortages in primary care and in rural areas, and depends partly on international graduates.

What Transfers

Lessons rarely transfer unchanged. Capitation to primary care networks worked in Thailand because of its district health infrastructure; defined-population teams worked in Costa Rica partly because of long investment in public services. Leaders adapting these models must ask what conditions made them succeed and whether those conditions exist at home.

Lessons for Public Health Leaders

Three lessons stand out: organize coverage around primary care with defined responsibility for populations; judge systems by quality and equity, not only by coverage; and design financing to protect households from catastrophic costs. These lessons apply as much to US state and local policy as to national reform in middle-income countries.

Limits of the Comparison

Comparisons simplify. Each country's system reflects its history, politics and economy, and outcomes are shaped by factors outside health care such as income, education and diet. Data definitions also differ across countries, so figures should be compared cautiously. Figures should also be dated, since each system continues to change.

Health Information Systems

Comparisons depend on data each system collects. Thailand and Costa Rica maintain national registration and routine reporting that support planning, while US data are spread across insurers, states and federal programs. Strong information systems let leaders see gaps in coverage and quality and track whether reforms work.

Governance and Stewardship

Each system reflects choices about who holds authority. Thailand created a purchasing agency separate from the health ministry to manage the universal scheme. Costa Rica's social insurance fund holds both financing and delivery. In the United States, authority is divided among federal agencies, states, employers and private insurers, which complicates coordinated reform.

Public Health Functions

Personal care is only one part of a health system. Disease surveillance, health promotion, environmental health and emergency preparedness protect whole populations. Countries that fund these functions alongside clinical care are better placed to prevent disease and respond to outbreaks.

Conclusion

Thailand, Costa Rica and the United States show that universal coverage can be reached through tax financing or social insurance, that strong primary care underpins good results and that high spending does not ensure good outcomes. For public health leaders, the comparison points toward systems built on primary care, judged by quality and equity and financed to protect households.

References

Kruk, M. E., Gage, A. D., Arsenault, C., Jordan, K., Leslie, H. H., Roder-DeWan, S., Adeyi, O., Barker, P., Daelmans, B., Doubova, S. V., English, M., García-Elorrio, E., Guanais, F., Gureje, O., Hirschhorn, L. R., Jiang, L., Kelley, E., Lemango, E. T., Liljestrand, J., ... Pate, M. (2018). High-quality health systems in the Sustainable Development Goals era: Time for a revolution. The Lancet Global Health, 6(11), e1196-e1252. https://doi.org/10.1016/S2214-109X(18)30386-3

Starfield, B., Shi, L., & Macinko, J. (2005). Contribution of primary care to health systems and health. The Milbank Quarterly, 83(3), 457-502. https://doi.org/10.1111/j.1468-0009.2005.00409.x

Vos, T., Lim, S. S., Abbafati, C., Abbas, K. M., Abbasi, M., Abbasifard, M., Abbasi-Kangevari, M., Abbastabar, H., Abd-Allah, F., Abdelalim, A., Abdollahi, M., Abdollahpour, I., Abolhassani, H., Aboyans, V., Abrams, E. M., Abreu, L. G., Abrigo, M. R. M., Abu-Raddad, L. J., Abushouk, A. I., ... Murray, C. J. L. (2020). Global burden of 369 diseases and injuries in 204 countries and territories, 1990-2019: A systematic analysis for the Global Burden of Disease Study 2019. The Lancet, 396(10258), 1204-1222. https://doi.org/10.1016/S0140-6736(20)30925-9