Health system

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A health system, also sometimes referred to as health care system or as healthcare system, is the organization of people, institutions, and resources that deliver health care services to meet the health needs of target populations.


There is a wide variety of health systems around the world, with as many histories and organizational structures as there are nations. Implicitly, nations must design and develop health systems in accordance with their needs and resources, although common elements in virtually all health systems are primary healthcare and public health measures. [1] In some countries, health system planning is distributed among market participants. In others, there is a concerted effort among governments, trade unions, charities, religious organizations, or other co-ordinated bodies to deliver planned health care services targeted to the populations they serve. However, health care planning has been described as often evolutionary rather than revolutionary. [2] [3] As with other social institutional structures, health systems are likely to reflect the history, culture and economics of the states in which they evolve. These peculiarities bedevil and complicate international comparisons and preclude any universal standard of performance.


According to the World Health Organization (WHO), the directing and coordinating authority for health within the United Nations system, healthcare systems' goals are good health for the citizens, responsiveness to the expectations of the population, and fair means of funding operations. Progress towards them depends on how systems carry out four vital functions: provision of health care services, resource generation, financing, and stewardship. [4] Other dimensions for the evaluation of health systems include quality, efficiency, acceptability, and equity. [2] They have also been described in the United States as "the five C's": Cost, Coverage, Consistency, Complexity, and Chronic Illness. [5] Also, continuity of health care is a major goal. [6]


Often health system has been defined with a reductionist perspective. Some authors [7] have developed arguments to expand the concept of health systems, indicating additional dimensions that should be considered:

World Health Organization definition

The World Health Organization defines health systems as follows:

A health system consists of all organizations, people and actions whose primary intent is to promote, restore or maintain health. This includes efforts to influence determinants of health as well as more direct health-improving activities. A health system is, therefore, more than the pyramid of publicly owned facilities that deliver personal health services. It includes, for example, a mother caring for a sick child at home; private providers; behaviour change programmes; vector-control campaigns; health insurance organizations; occupational health and safety legislation. It includes inter-sectoral action by health staff, for example, encouraging the ministry of education to promote female education, a well-known determinant of better health. [8]


Healthcare providers are institutions or individuals providing healthcare services. Individuals including health professionals and allied health professions can be self-employed or working as an employee in a hospital, clinic, or other health care institution, whether government operated, private for-profit, or private not-for-profit (e.g. non-governmental organization). They may also work outside of direct patient care such as in a government health department or other agency, medical laboratory, or health training institution. Examples of health workers are doctors, nurses, midwives, dietitians, paramedics, dentists, medical laboratory technologists, therapists, psychologists, pharmacists, chiropractors, optometrists, community health workers, traditional medicine practitioners, and others.

Financial resources

Norfolk and Norwich University Hospital, a National Health Service hospital in the United Kingdom. NorfolkAndNorwichUniversityHospital(KatyAppleton)Aug2005.jpg
Norfolk and Norwich University Hospital, a National Health Service hospital in the United Kingdom.

There are generally five primary methods of funding health systems: [9]

  1. general taxation to the state, county or municipality
  2. national health insurance
  3. voluntary or private health insurance
  4. out-of-pocket payments
  5. donations to charities
Healthcare Models
Single Payer Multi-PayerMulti-PayerNo Insurance
Single Provider Beveridge Model
Multiple Providers National Health Insurance Bismark Model Private Health Insurance Out-of-pocket

Most countries' systems feature a mix of all five models. One study [10] based on data from the OECD concluded that all types of health care finance "are compatible with" an efficient health system. The study also found no relationship between financing and cost control.

The term health insurance is generally used to describe a form of insurance that pays for medical expenses. It is sometimes used more broadly to include insurance covering disability or long-term nursing or custodial care needs. It may be provided through a social insurance program, or from private insurance companies. It may be obtained on a group basis (e.g., by a firm to cover its employees) or purchased by individual consumers. In each case premiums or taxes protect the insured from high or unexpected health care expenses.

By estimating the overall cost of health care expenses, a routine finance structure (such as a monthly premium or annual tax) can be developed, ensuring that money is available to pay for the health care benefits specified in the insurance agreement. The benefit is typically administered by a government agency, a non-profit health fund or a commercial corporation. [11]

Many commercial health insurers control their costs by restricting the benefits provided, by such means as deductibles, co-payments, coinsurance, policy exclusions, and total coverage limits. They will also severely restrict or refuse coverage of pre-existing conditions. Many government schemes also have co-payment schemes but express exclusions are rare or limited because of political pressure. The larger insurance schemes may also negotiate fees with providers.

Many forms of social insurance schemes control their costs by using the bargaining power of the community they are intended to serve to control costs in the health care delivery system. They may attempt to do so by, for example, negotiating drug prices directly with pharmaceutical companies, negotiating standard fees with the medical profession, or reducing unnecessary health care costs. Social schemes sometimes feature contributions related to earnings as part of a scheme to deliver universal health care, which may or may not also involve the use of commercial and non-commercial insurers. Essentially the wealthier users pay proportionately more into the scheme to cover the needs of the poorer users who therefore contribute proportionately less. There are usually caps on the contributions of the wealthy and minimum payments that must be made by the insured (often in the form of a minimum contribution, similar to a deductible in commercial insurance models).

In addition to these traditional health care financing methods, some lower income countries and development partners are also implementing non-traditional or innovative financing mechanisms for scaling up delivery and sustainability of health care, [12] such as micro-contributions, public-private partnerships, and market-based financial transaction taxes. For example, as of June 2011, UNITAID had collected more than one billion dollars from 29 member countries, including several from Africa, through an air ticket solidarity levy to expand access to care and treatment for HIV/AIDS, tuberculosis and malaria in 94 countries. [13]

Payment models

In most countries, wage costs for healthcare practitioners are estimated to represent between 65% and 80% of renewable health system expenditures. [14] [15] There are three ways to pay medical practitioners: fee for service, capitation, and salary. There has been growing interest in blending elements of these systems. [16]


Fee-for-service arrangements pay general practitioners (GPs) based on the service. [16] They are even more widely used for specialists working in ambulatory care. [16]

There are two ways to set fee levels: [16]

  • By individual practitioners.
  • Central negotiations (as in Japan, Germany, Canada and in France) or hybrid model (such as in Australia, France's sector 2, and New Zealand) where GPs can charge extra fees on top of standardized patient reimbursement rates.


In capitation payment systems , GPs are paid for each patient on their "list", usually with adjustments for factors such as age and gender. [16] According to OECD, "these systems are used in Italy (with some fees), in all four countries of the United Kingdom (with some fees and allowances for specific services), Austria (with fees for specific services), Denmark (one third of income with remainder fee for service), Ireland (since 1989), the Netherlands (fee-for-service for privately insured patients and public employees) and Sweden (from 1994). Capitation payments have become more frequent in "managed care" environments in the United States." [16]

According to OECD, 'Capitation systems allow funders to control the overall level of primary health expenditures, and the allocation of funding among GPs is determined by patient registrations. However, under this approach, GPs may register too many patients and under-serve them, select the better risks and refer on patients who could have been treated by the GP directly. Freedom of consumer choice over doctors, coupled with the principle of "money following the patient" may moderate some of these risks. Aside from selection, these problems are likely to be less marked than under salary-type arrangements.'

Salary arrangements

In several OECD countries, general practitioners (GPs) are employed on salaries for the government. [16] According to OECD, "Salary arrangements allow funders to control primary care costs directly; however, they may lead to under-provision of services (to ease workloads), excessive referrals to secondary providers and lack of attention to the preferences of patients." [16] There has been movement away from this system. [16]

Value-Based Care

In recent years, providers have been switching from fee-for-service payment models to a value-based care payment system, where they are compensated for providing value to patients. In this system, providers are given incentives to close gaps in care and provide better quality care for patients. [17]

Information resources

Sound information plays an increasingly critical role in the delivery of modern health care and efficiency of health systems. Health informatics – the intersection of information science, medicine and healthcare  – deals with the resources, devices, and methods required to optimize the acquisition and use of information in health and biomedicine. Necessary tools for proper health information coding and management include clinical guidelines, formal medical terminologies, and computers and other information and communication technologies. The kinds of health data processed may include patients' medical records, hospital administration and clinical functions, and human resources information.

The use of health information lies at the root of evidence-based policy and evidence-based management in health care. Increasingly, information and communication technologies are being utilised to improve health systems in developing countries through: the standardisation of health information; computer-aided diagnosis and treatment monitoring; informing population groups on health and treatment. [18]


The management of any health system is typically directed through a set of policies and plans adopted by government, private sector business and other groups in areas such as personal healthcare delivery and financing, pharmaceuticals, health human resources, and public health.

Public health is concerned with threats to the overall health of a community based on population health analysis. The population in question can be as small as a handful of people, or as large as all the inhabitants of several continents (for instance, in the case of a pandemic). Public health is typically divided into epidemiology, biostatistics and health services. Environmental, social, behavioral, and occupational health are also important subfields.

A child being immunized against polio. Poliodrops.jpg
A child being immunized against polio.

Today, most governments recognize the importance of public health programs in reducing the incidence of disease, disability, the effects of ageing and health inequities, although public health generally receives significantly less government funding compared with medicine. For example, most countries have a vaccination policy, supporting public health programs in providing vaccinations to promote health. Vaccinations are voluntary in some countries and mandatory in some countries. Some governments pay all or part of the costs for vaccines in a national vaccination schedule.

The rapid emergence of many chronic diseases, which require costly long-term care and treatment, is making many health managers and policy makers re-examine their healthcare delivery practices. An important health issue facing the world currently is HIV/AIDS. [19] Another major public health concern is diabetes. [20] In 2006, according to the World Health Organization, at least 171 million people worldwide suffered from diabetes. Its incidence is increasing rapidly, and it is estimated that by the year 2030, this number will double. A controversial aspect of public health is the control of tobacco smoking, linked to cancer and other chronic illnesses. [21]

Antibiotic resistance is another major concern, leading to the reemergence of diseases such as tuberculosis. The World Health Organization, for its World Health Day 2011 campaign, is calling for intensified global commitment to safeguard antibiotics and other antimicrobial medicines for future generations.

Health systems performance

Percentage of overweight or obese population in 2010, Data source: OECD's iLibrary,, retrieved 2013-12-12 Overweight or obese population OECD 2010.png
Percentage of overweight or obese population in 2010, Data source: OECD's iLibrary,, retrieved 2013-12-12

Since 2000, more and more initiatives have been taken at the international and national levels in order to strengthen national health systems as the core components of the global health system. Having this scope in mind, it is essential to have a clear, and unrestricted, vision of national health systems that might generate further progresses in global health. The elaboration and the selection of performance indicators are indeed both highly dependent on the conceptual framework adopted for the evaluation of the health systems performances. [23] Like most social systems, health systems are complex adaptive systems where change does not necessarily follow rigid management models. [24] In complex systems path dependency, emergent properties and other non-linear patterns are seen, [25] which can lead to the development of inappropriate guidelines for developing responsive health systems. [26]

Percentage of obese population in 2010, Data source: OECD's iLibrary,, retrieved 2013-12-13 Obese population OECD 2010.png
Percentage of obese population in 2010, Data source: OECD's iLibrary,, retrieved 2013-12-13

An increasing number of tools and guidelines are being published by international agencies and development partners to assist health system decision-makers to monitor and assess health systems strengthening [28] including human resources development [29] using standard definitions, indicators and measures. In response to a series of papers published in 2012 by members of the World Health Organization's Task Force on Developing Health Systems Guidance, researchers from the Future Health Systems consortium argue that there is insufficient focus on the 'policy implementation gap'. Recognizing the diversity of stakeholders and complexity of health systems is crucial to ensure that evidence-based guidelines are tested with requisite humility and without a rigid adherence to models dominated by a limited number of disciplines. [26] [30] Healthcare services often implement Quality Improvement Initiatives to overcome this policy implementation gap. Although many deliver improved healthcare a large proportion fail to sustain. Numerous tools and frameworks have been created to respond to this challenge and increase improvement longevity. One tool highlighted the need for these tools to respond to user preferences and settings to optimize impact. [31]

Health Policy and Systems Research (HPSR) is an emerging multidisciplinary field that challenges 'disciplinary capture' by dominant health research traditions, arguing that these traditions generate premature and inappropriately narrow definitions that impede rather than enhance health systems strengthening. [32] HPSR focuses on low- and middle-income countries and draws on the relativist social science paradigm which recognises that all phenomena are constructed through human behaviour and interpretation. In using this approach, HPSR offers insight into health systems by generating a complex understanding of context in order to enhance health policy learning. [33] HPSR calls for greater involvement of local actors, including policy makers, civil society and researchers, in decisions that are made around funding health policy research and health systems strengthening. [34]

International comparisons

Chart comparing 2008 health care spending (left) vs. life expectancy (right) in OECD countries. Health systems comparison OECD 2008.png
Chart comparing 2008 health care spending (left) vs. life expectancy (right) in OECD countries.

Health systems can vary substantially from country to country, and in the last few years, comparisons have been made on an international basis. The World Health Organization, in its World Health Report 2000 , provided a ranking of health systems around the world according to criteria of the overall level and distribution of health in the populations, and the responsiveness and fair financing of health care services. [4] The goals for health systems, according to the WHO's World Health Report 2000 – Health systems: improving performance (WHO, 2000), [35] are good health, responsiveness to the expectations of the population, and fair financial contribution. There have been several debates around the results of this WHO exercise, [36] and especially based on the country ranking linked to it, [37] insofar as it appeared to depend mostly on the choice of the retained indicators.

Direct comparisons of health statistics across nations are complex. The Commonwealth Fund, in its annual survey, "Mirror, Mirror on the Wall", compares the performance of the health systems in Australia, New Zealand, the United Kingdom, Germany, Canada and the United States. Its 2007 study found that, although the United States system is the most expensive, it consistently underperforms compared to the other countries. [38] A major difference between the United States and the other countries in the study is that the United States is the only country without universal health care. The OECD also collects comparative statistics, and has published brief country profiles. [39] [40] [41] Health Consumer Powerhouse makes comparisons between both national health care systems in the Euro health consumer index and specific areas of health care such as diabetes [42] or hepatitis. [43]

Country Life expectancy [44] Infant mortality rate [45] Preventable deaths per 100,000 people in 2007 [46] Physicians per 1000 people Nurses per 1000 peoplePer capita expenditure on health (USD PPP)Healthcare costs as a percent of GDP % of government revenue spent on health% of health costs paid by government
Australia 83.04.49572.810.13,3538.517.767.5
Canada 82.04.7877 [47] 2.29.03,84410.016.770.2
France 82.03.34553.37.73,67911.614.278.3
Germany 81.03.48763.510.53,72410.417.676.4
Italy 83.03.33604.26.12,7718.714.176.6
Japan 84.02.17612.19.42,7508.216.880.4
Norway 83.03.47643.816.24,8858.917.984.1
Spain 83.03.30743.85.33,2488.915.173.6
Sweden 82.02.73613.610.83,4328.913.681.4
UK 81.64.5832.59.53,0518.415.881.3
US 78.745.9962.410.67,43716.018.545.1

Physicians and hospital beds per 1000 inhabitants vs Health Care Spending in 2008 for OECD Countries. The data source is - OECD. [40] [41]

Health spending vs physicians oecd 2008.png Health spending vs beds oecd 2008.png

See also

Related Research Articles

Health care reform is for the most part governmental policy that affects health care delivery in a given place. Health care reform typically attempts to:

Medicare (Canada) Canadas publicly funded, single-payer health care system

Medicare is an unofficial designation used to refer to the publicly funded, single-payer health care system of Canada. Canada's health care system consists of 13 provincial and territorial health insurance plans that provide universal health care coverage to Canadian citizens, permanent residents, and certain temporary residents. These systems are individually administered on a provincial or territorial basis, within guidelines set by the federal government. The formal terminology for the insurance system is provided by the Canada Health Act and the health insurance legislation of the individual provinces and territories.

Health care Prevention of disease and promotion of wellbeing

Health care, health-care, or healthcare is the maintenance or improvement of health via the prevention, diagnosis, treatment, recovery, or cure of disease, illness, injury, and other physical and mental impairments in people. Health care is delivered by health professionals and allied health fields. Medicine, dentistry, pharmacy, midwifery, nursing, optometry, audiology, psychology, occupational therapy, physical therapy, athletic training and other health professions are all part of health care. It includes work done in providing primary care, secondary care, and tertiary care, as well as in public health.

Publicly funded healthcare is a form of health care financing designed to meet the cost of all or most healthcare needs from a publicly managed fund. Usually this is under some form of democratic accountability, the right of access to which are set down in rules applying to the whole population contributing to the fund or receiving benefits from it.

Healthcare industry

The healthcare industry is an aggregation and integration of sectors within the economic system that provides goods and services to treat patients with curative, preventive, rehabilitative, and palliative care. It includes the generation and commercialization of goods and services lending themselves to maintaining and re-establishing health. The modern healthcare industry includes three essential branches which are services, products, and finance and may be divided into many sectors and categories and depends on the interdisciplinary teams of trained professionals and paraprofessionals to meet health needs of individuals and populations.

Health insurance is an insurance that covers the whole or a part of the risk of a person incurring medical expenses, spreading the risk over numerous persons. By estimating the overall risk of health risk and health system expenses over the risk pool, an insurer can develop a routine finance structure, such as a monthly premium or payroll tax, to provide the money to pay for the health care benefits specified in the insurance agreement. The benefit is administered by a central organization such as a government agency, private business, or not-for-profit entity.

Universal healthcare is a health care system in which all residents of a particular country or region are assured access to health care. It is generally organized around providing either all residents or only those who cannot afford on their own, with either health services or the means to acquire them, with the end goal of improving health outcomes.

Healthcare in Canada Overview of healthcare

Healthcare in Canada is delivered through the provincial and territorial systems of publicly funded health care, informally called Medicare. It is guided by the provisions of the Canada Health Act of 1984, and is universal. The 2002 Royal Commission, known as the Romanow Report, revealed that Canadians consider universal access to publicly funded health services as a "fundamental value that ensures national health care insurance for everyone wherever they live in the country." Canadian Medicare provides coverage for approximately 70 percent of Canadians' healthcare needs, and the remaining 30 percent is paid for through the private sector. The 30 percent typically relates to services not covered or only partially covered by Medicare, such as prescription drugs, eye care, and dentistry. Approximately 65 to 75 percent of Canadians have some form of supplementary health insurance related to the aforementioned reasons; many receive it through their employers or use secondary social service programs related to extended coverage for families receiving social assistance or vulnerable demographics, such as seniors, minors, and those with disabilities.

Health policy Policy area, which deals with the planning, organization, management and financing of the health system

Health policy can be defined as the "decisions, plans, and actions that are undertaken to achieve specific healthcare goals within a society". According to the World Health Organization, an explicit health policy can achieve several things: it defines a vision for the future; it outlines priorities and the expected roles of different groups; and it builds consensus and informs people.

Healthcare reform in the United States has a long history. Reforms have often been proposed but have rarely been accomplished. In 2010, landmark reform was passed through two federal statutes enacted in 2010: the Patient Protection and Affordable Care Act (PPACA), signed March 23, 2010, and the Health Care and Education Reconciliation Act of 2010, which amended the PPACA and became law on March 30, 2010.

Healthcare in Germany Overview of healthcare in the Federal Republic of Germany

Germany has a universal multi-payer health care system paid for by a combination of statutory health insurance and private health insurance.

Healthcare in South Korea

South Koreans have access to a universal healthcare safety net, although a significant portion of healthcare is privately funded. In 2015, South Korea ranked first in the OECD for healthcare access. Satisfaction of healthcare has been consistently among the highest in the world – South Korea was rated as the second most efficient healthcare system by Bloomberg.

Healthcare in Finland consists of a highly decentralized three-level publicly funded healthcare system and a much smaller private sector. Although the Ministry of Social Affairs and Health has the highest decision-making authority, the municipalities are responsible for providing healthcare to their residents.

The French health care system is one of universal health care largely financed by government national health insurance. In its 2000 assessment of world health care systems, the World Health Organization found that France provided the "best overall health care" in the world. In 2017, France spent 11.3% of GDP on health care, or US$5,370 per capita, a figure higher than the average spent by rich countries, though similar to Germany (10.6%) and Canada (10%), but much less than in the US. Approximately 77% of health expenditures are covered by government funded agencies.

Spain employs a universal health care system.

Healthcare in Ghana

In the precolonial period traditional village priests, clerics, and herbalists were the primary care givers, offering advice and treatment to the sick. Premodern traditional beliefs stressed the combination of spiritual and physical healing with priests and clerics identifying the supernatural causes of disease and its remedies and herbalists offering medicinal herbs. The intersection of spirituality and medicine can be seen in priests using practices such as divination to determine the cause of illness and suggesting curative sacrifices before prescribing medicinal herbs obtained from herbalists.

Healthcare in Tanzania

Tanzania has a hierarchical health system which is in tandem with the political-administrative hierarchy. At the bottom, there are the dispensaries found in every village where the village leaders have a direct influence on its running. The health centers are found at ward level and the health center in charge is answerable to the ward leaders. At the district, there is a district hospital and at the regional level a regional referral hospital. The tertiary level is usually the zone hospitals and at a national level, there is the national hospital. There are also some specialized hospitals that do not fit directly into this hierarchy and therefore are directly linked to the ministry of health.

Health care systems by country

This article provides a brief overview of the health care systems of the world, sorted by continent.

Healthcare in India Overview of the health care system in India

India has a universal healthcare model that is mostly administered at the state level rather than the federal level. The public system is essentially free for all Indian residents except for small, often symbolic co-payments in some services. In 2019, the total net government spending on healthcare was $ 36 billion or 1.23 % of its GDP. The Indian Constitution makes the provision of healthcare in India the responsibility of the state governments, rather than the central federal government. It makes every state responsible for "raising the level of nutrition and the standard of living of its people and the improvement of public health as among its primary duties". Since the country's independence, the public healthcare system has been entirely funded through general taxation.


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Further reading