Health insurance in the United States

The term health insurance is commonly used in the United States to describe any program that helps pay for medical expenses, whether through privately purchased insurance, social insurance or a non-insurance social welfare program funded by the government.
Synonyms for this usage include "health coverage," "health care coverage" and "health benefits."

In a more technical sense, the term is used to describe any form of insurance that provides protection against injury or illness. This usage includes private insurance and social insurance programs such as Medicare, but excludes social welfare programs such as Medicaid. In addition to medical expense insurance, it also includes insurance covering disability or long-term nursing or custodial care needs.

The US market-based health care system relies heavily on private and not-for-profit health insurance, which is the primary source of coverage for most Americans. According to the United States Census Bureau, approximately 84% of Americans have health insurance; some 60% obtain it through an employer, while about 9% purchase it directly. Various government agencies provide coverage to about 27% of Americans (there is some overlap in these figures).

In 2006, there were 47 million people in the US (16% of the population) who were without health insurance for at least part of that year. The percentage of the non-elderly population who are uninsured has been generally increasing since the year 2000. There is considerable debate in the US on the causes of and possible remedies for this level of uninsurance as well as the impact it has on the overall US health care system.

Public health care coverage
Public programs provide the primary source of coverage for most seniors and for low-income children and families who meet certain eligibility requirements. The primary public programs are Medicare, a federal social insurance program for seniors and certain disabled individuals, Medicaid, funded jointly by the federal government and states but administered at the state level, which covers certain very low income children and their families, and SCHIP, also a federal-state partnership that serves certain children and families who do not qualify for Medicaid but who cannot afford private coverage. Other public programs include military health benefits provided through TRICARE and the Veterans Health Administration and benefits provided through the Indian Health Service. Some states have additional programs for low-income individuals.
Health insurance in the United States
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