In 2023, Singapore dominated the ranking of the world's health and health systems, followed by Japan and South Korea. The health index score is calculated by evaluating various indicators that assess the health of the population, and access to the services required to sustain good health, including health outcomes, health systems, sickness and risk factors, and mortality rates. The health and health system index score of the top ten countries with the best healthcare system in the world ranged between 82 and 86.9, measured on a scale of zero to 100.

Global Health Security Index  Numerous health and health system indexes have been developed to assess various attributes and aspects of a nation's healthcare system. One such measure is the Global Health Security (GHS) index. This index evaluates the ability of 195 nations to identify, assess, and mitigate biological hazards in addition to political and socioeconomic concerns, the quality of their healthcare systems, and their compliance with international finance and standards. In 2021, the United States was ranked at the top of the GHS index, but due to multiple reasons, the U.S. government failed to effectively manage the COVID-19 pandemic. The GHS Index evaluates capability and identifies preparation gaps; nevertheless, it cannot predict a nation's resource allocation in case of a public health emergency.

Universal Health Coverage Index  Another health index that is used globally by the members of the United Nations (UN) is the universal health care (UHC) service coverage index. The UHC index monitors the country's progress related to the sustainable developmental goal (SDG) number three. The UHC service coverage index tracks 14 indicators related to reproductive, maternal, newborn, and child health, infectious diseases, non-communicable diseases, service capacity, and access to care. The main target of universal health coverage is to ensure that no one is denied access to essential medical services due to financial hardships. In 2021, the UHC index scores ranged from as low as 21 to a high score of 91 across 194 countries. 

According to a 2021 health care systems ranking among selected high-income countries, the United States came last in the overall ranking of its health care system performance. The overall ranking was based on five performance categories, including access to care, care process, administrative efficiency, equity, and health care outcomes. For the category health care outcomes, which takes into account health outcomes most likely to be responsive to health care, the U.S. was ranked last, while Australia took first place. Outcomes such as infant mortality or preventable mortality were included. This statistic present the health care outcomes rankings of the United States' health care system compared to ten other high-income countries in 2021.

In 2023, the health care system in Finland ranked first with a care index score of ****, followed by Belgium and Japan. Care systems index score is measured using multiple indicators from various public databases, it evaluates the capacity of a health system to treat and cure diseases and illnesses, once it is detected in the population This statistic shows the care systems ranking of countries worldwide in 2023, by their index score.

In 2024, across all states in the United States, ********* was ranked first with a health index score of *****, followed by ************ and ************. The health index score was calculated by measuring 42 healthcare metrics relevant to health costs, access, and outcome.

According to a survey conducted in a selection of Latin American countries in 2024, Argentina was by far the country with the highest share of satisfied health patients, with ** percent of respondents assessing healthcare quality as good or very good, whereas only ** percent of respondents in Peru claimed to receive good healthcare. Hospitals in Latin America Hospital Israelita Albert Einstein in São Paulo, Brazil was considered the hospital with the highest care quality in Latin America in 2022. The first three leading hospitals in hosting patients were also located in Brazil, ranking high along other healthcare facilities in Argentina, Colombia and Chile. In 2024, Brazil was the country with the highest number of hospitals in the region, with approximately ***** establishments, followed by Mexico and Colombia. Hospital equipment in Latin America As of 2023, more than ** percent of hospitals in Latin America were equipped with electrocardiogram (EKG) machines. That year, ultrasound machines could be found in ** percent of hospitals, while a fourth of these establishments in the region had computed tomography (CT) scanners. In that year, Brazil had the most ultrasound machines installed in hospitals in Latin America, with over ******, followed by Mexico and Argentina.

As of 2025, the Hospital Corporation of America, based in Nashville, Tennessee, was the largest health system in the United States, with a total of ****** hospital beds. HCA Healthcare is also the largest U.S. health system when ranked by the number of hospitals and net patient revenue. Altogether, the largest ** healthcare systems or integrated delivery networks (IDNs) cover ******* hospital beds. Most of these health systems are non-profit organizations.

According to the findings of a survey by IPSOS, satisfaction with national health systema varies widely between countries. Respondents from Saudia Arabia and Singapore are the most satisfied with their country's health system. This statistic shows the level of satisfaction with national health systems worldwide as of 2019, by country.

As of 2023, Kaiser Permanente, based in Oakland, California, was the largest health system in the United States when ranked by the number of physicians affiliated with the system. It had nearly 26 thousand physicians affiliated with the organization. Meanwhile, the Hospital Corporation of America, based in Nashville, Tennessee, was in second place when ranked by the number of physicians, but was the largest health system in the United States when ranked by the number of hospitals. HCA Healthcare is also the largest U.S. health system when ranked by the number of beds and, as expected, by net patient revenue.

As of 2024, ************* was ranked as the best state in the United States for women's health care and safety, followed by ********** and ********. On the other hand, ******** was ranked as the worst state for women's health care and safety.

The current healthcare spending ranking is led by the United States with 5 trillion U.S. dollars, while China is following with 1.1 trillion U.S. dollars. In contrast, Gambia is at the bottom of the ranking with 83.51 million U.S. dollars, showing a difference of 5 trillion U.S. dollars to the United States. According to Worldbank health spending includes expenditures with regards to healthcare services and goods. The spending refers to current spending of both governments and consumers.The shown data are an excerpt of Statista's Key Market Indicators (KMI). The KMI are a collection of primary and secondary indicators on the macro-economic, demographic and technological environment in up to 150 countries and regions worldwide. All indicators are sourced from international and national statistical offices, trade associations and the trade press and they are processed to generate comparable data sets (see supplementary notes under details for more information).

In 2021, Mexico was the Latin American country with the highest overall Global Health Security (GHS) Index score, with 57 points out of a total of 100. In comparison, the United States, the best-rated country worldwide, had a score of 75.9. The Global Health Security Index measures a country's readiness to prevent, detect and respond to biological threats.

In 2024, across all states in the United States, Utah was ranked as the healthiest state for older adults aged 65 years and above, followed by Colorado and Vermont. On the other hand, Louisiana was the unhealthiest state for older adults in the United States, ranking last on the list. The U.S. state rankings for senior citizens were created using ** metrics from five different areas of health — social and economic issues, environmental factors, behavioral factors, clinical treatment, and health outcomes.

As of September 2019, Bogotá, the capital city of Colombia, led the ranking of best cities in Latin America based on healthcare quality. With a score of **** (out of 10), this South American city had the most efficient healthcare system among those included in the study. However, approximately ** percent of Colombians stated not to be satisfied with the country's health system.

As of 2021, the proportion of hospitals in health systems* in the United States stood at ** percent. That is, three-quarters of hospitals in the U.S. were affiliated with a health system. The smallest health systems had just * hospital, while the median health system had just * hospitals. Yet, the largest health system ranked by the number of hospitals was HCA Healthcare in Tennessee, with *** hospitals as of 2024.

In 2020, around 66.5 percent of the U.S. population had private health insurance coverage. This share slightly decreased to 65.4 percent in 2023. Medicare and Medicaid together provided healthcare coverage to approximately 38 percent of the population in the United States. U.S. population with and without health insurance In 2022, over half of the U.S. population had health insurance coverage through their place of employment, around 54.5 percent. Approximately 35 percent had coverage through some form of government plan in the same year. While still low, the U.S. population without health insurance has decreased slightly from the previous year. A large portion of those without health insurance are between 19 and 25 years of age. Approximately 15 percent of adults in this age group did not have health insurance in 2021. Health expenditure The United States spent approximately 12,555 U.S. dollars per capita on health in 2022 while in comparison, the Canadian government expended some 6,319 U.S. dollars per capita in the same year. However, higher health spending did not equate to a better health system or outcomes and when ranked with other comparable high-income countries, the U.S. came in last on nearly all health performance categories from access of care to health outcomes.

In 2024, ** percent of adults worldwide agreed that many people in their country could not afford good healthcare. Individuals in Brazil were most likely to agree with this statement "Many people in my country cannot afford good healthcare.", while the least share of individuals agreed in Sweden. The results generally reflect the wealth of a nation, with people from wealthier countries tending to agree that good healthcare is affordable. The biggest exception being the U.S. where over ********* of U.S. respondents agreed that good health care is unaffordable to many despite being one of the richest country in the world. This statistic shows the percentage of adults in select countries worldwide who agreed that many people in their country could not afford good healthcare as of 2024.

In 2023, the United States had the highest per capita health expenditure among OECD countries. At that time, per capita health expenditure in the U.S. amounted over ****** U.S. dollars, significantly higher than in Switzerland, the country with the second-highest per capita health expenditure. Norway, Germany and Austria are also within the top five countries with the highest per capita health expenditure. The United States also spent the highest share of it’s gross domestic product on health care, with **** percent of its GDP spent on health care services. Health Expenditure in the U.S. The United States is the highest spending country worldwide when it comes to health care. In 2022, total health expenditure in the U.S. exceeded **** trillion dollars. Expenditure as a percentage of GDP is projected to increase to approximately ** percent by the year 2031. Distribution of Health Expenditure in the U.S. Health expenditure in the United States is spread out across multiple categories such as nursing home facilities, home health care, and prescription drugs. As of 2022, the majority of health expenditure in the United States was spent on hospital care, accounting for a bit less than *** third of all health spending. Hospital care was followed by spending on physician and clinical services which accounted for ** percent of overall health expenditure.

Among OECD member countries, the United States had the highest percentage of gross domestic product spent on health care as of 2023. The U.S. spent nearly ** percent of its GDP on health care services. Germany, France and Japan followed the U.S. with distinctly smaller percentages. The United States had both significantly higher private and public spending on health compared with other developed countries. Why compare OECD countries?OECD stands for Organization for Economic Co-operation and Development. It is an economic organization consisting of ** members, mostly high-income countries and committed to democratic principles and market economy. This makes OECD statistics more comparable than statistics of developed and undeveloped countries. Health economics is an important matter for the OECD, even more since increasing health costs and an aging population have become an issue for many developed countries. Health costs in the U.S.  A higher GDP share spent on health care does not automatically lead to a better functioning health system. In the case of the U.S., high spending is mainly because of higher costs and prices, not due to higher utilization. For example, physicians’ salaries are much higher in the U.S. than in other comparable countries. A doctor in the U.S. earns almost twice as much as the average physician in Germany. Pharmaceutical spending per capita is also distinctly higher in the United States. Furthermore, the U.S. also spends more on health administrative costs compare to other wealthy countries.

As of 2023, UnitedHealth Group had a share of ** percent in the U.S. health insurance market. Elevance health (Anthem) had the second-largest health insurance market share, covering ** percent of the market. The top five largest insurance companies represented around ** percent of the total U.S. market share in the health insurance industry. Health insurance market in the U.S. The United States does not have a universal healthcare system for its citizens. In the U.S. most individuals depend on employer-sponsored health coverage for their healthcare needs. Private health insurance dominates the market as it provides group and non-group policies. Public health insurance offers coverage under federal programs, Medicare and Medicaid/CHIP are the most popular ones. The U.S. health insurance industry has witnessed significant changes in the last decade, with increased spending by private insurance, expanded coverage through the ACA, and a growing Medicare Advantage market. Medicare Advantage market Medicare Advantage plans give Medicare beneficiaries the option of receiving benefits from private plans rather than from the traditional Medicare program. UnitedHealthcare, part of UnitedHealth Group, is the largest U.S. health insurance company by total membership. In 2023, Medicare Advantage provided coverage to ** million Americans, among which some *** million Medicare Advantage (MA) beneficiaries were enrolled in a plan from the UnitedHealth Group Inc.

AdventHealth Orlando in Florida stands as the largest hospital in the United States, boasting an impressive 2,247 beds as of August 2024. This expansive facility exemplifies the scale of modern healthcare infrastructure, with Jackson Memorial Hospital, also in Florida, following as the second-largest. Evolving landscape of U.S. hospitals Despite the decline in the total number of hospitals since 1980, the healthcare sector continues to grow in other ways. U.S. hospitals now employ about 7.5 million workers and generate a gross output of around 1,161 billion U.S. dollars. The Hospital Corporation of America, based in Nashville, Tennessee, leads the pack as the largest health system in the country, operating 222 hospitals as of February 2025. This reflects a trend towards consolidation and the rise of for-profit hospital chains, which gained prominence in the 1990s. Specialization and emergency care While bed count is one measure of hospital size, institutions also distinguish themselves through specialization and emergency care capabilities. For instance, the University of California at Los Angeles Medical Center performed 22,287 organ transplants between January 1988 and March 2025, making it the leading transplant center in the nation. In terms of emergency care, Parkland Health and Hospital System in Dallas recorded the highest number of emergency department visits in 2022, with 226,178 patients seeking urgent care.