
The Affordable Care Act (ACA), also known as Obamacare, is a US federal statute enacted by the 111th United States Congress and signed into law by President Barack Obama in 2010. The act, which aimed to provide affordable health insurance to more people, is considered the most significant regulatory overhaul of the US healthcare system since the enactment of Medicare and Medicaid in 1965. The term Obamacare was originally coined by opponents as a pejorative, but it has since become commonly used to refer to the ACA.
| Characteristics | Values |
|---|---|
| Official Name | Patient Protection and Affordable Care Act (PPACA) |
| Informal Name | Obamacare |
| Other Names | Affordable Care Act (ACA), Health Care and Education Reconciliation Act of 2010 |
| Enacted By | 111th United States Congress |
| Signed into Law By | President Barack Obama |
| Date | March 23, 2010 |
| Amended By | Health Care and Education Reconciliation Act |
| Amended Date | March 30, 2010 |
| Implementation Date | January 1, 2014 |
| Aim | Achieve near-universal coverage |
| Aim | Improve fairness, quality, and affordability of health insurance coverage |
| Aim | Improve health-care value, quality, and efficiency |
| Aim | Strengthen primary health-care access |
| Aim | Make strategic investments in the public's health |
| Impact | The uninsured share of the population halved by 2016 |
| Impact | 20-24 million additional people covered by 2016 |
| Impact | Improved popularity of the law |
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What You'll Learn

The Affordable Care Act (ACA)
The ACA's primary goal is to make affordable health insurance available to more people. It provides consumers with subsidies, known as "premium tax credits", that lower costs for households with incomes between 100% and 400% of the federal poverty level (FPL). These subsidies are determined by the Department of Health and Human Services (HHS) and are issued annually. Additionally, the ACA expands the Medicaid program to cover all adults with income below 138% of the FPL, although not all states have implemented this expansion.
The ACA also includes provisions to support innovative medical care delivery methods, aiming to lower the overall costs of healthcare. It encourages the development of new marketplaces and relies on private employers and private health insurance companies to provide coverage. The law ensures that consumers have a choice in their healthcare options and protects patients from unexpected medical bills. Furthermore, insurers cannot refuse coverage based on sex or pre-existing conditions, and there are no lifetime or annual limits on essential health benefits.
The Affordable Care Act has had a significant impact on the uninsured population in the United States. By 2016, the number of uninsured individuals had roughly halved, with an estimated additional 20 to 24 million people gaining coverage. The law has been subject to political debate, with attempts by Republicans to repeal or replace it and Democrats defending its provisions. Separate polls from Fox News and NBC/WSJ in January 2017 indicated that more people viewed the law favourably than unfavourably for the first time. The term "Obamacare" is often used informally to refer to the ACA, originally coined by opponents as a pejorative term.
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Informal vs. Formal Names
The Affordable Care Act (ACA) is the landmark U.S. federal statute enacted by the 111th United States Congress and signed into law by President Barack Obama on March 23, 2010. The act, which came into force in 2014, aimed to make affordable health insurance available to more people. The law also enacted a host of delivery system reforms intended to constrain healthcare costs and improve quality.
The Affordable Care Act is also known formally as the Patient Protection and Affordable Care Act (PPACA). The term "Obamacare" is used informally to refer to the act. The expression was originally coined by opponents of the act as a pejorative term. The term officially emerged in March 2007 when healthcare lobbyist Jeanne Schulte Scott referred to the act as "Obama-care". In the same year, Mitt Romney introduced the term to political discourse.
A 2017 poll reported that 35% of respondents believed "Obamacare" and the "Affordable Care Act" were different, or did not know if they were the same. Another poll, conducted by Morning Consult in 2023, found that 57% approved of the Affordable Care Act, while 30% disapproved. 85% of Democrats, 56% of independents, and 28% of Republicans supported the law.
The use of "Obama" in the informal name of the act associates it directly with the former president. This association may have been intended to be negative, as the term was originally coined by opponents of the act. However, the term "Obamacare" has stuck, and is still used widely today, even by supporters of the act.
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Healthcare Costs
The Affordable Care Act (ACA), formally known as the Patient Protection and Affordable Care Act (PPACA), was signed into law by President Barack Obama on March 23, 2010. The act aims to make affordable health insurance available to more people, providing consumers with subsidies ("premium tax credits") that lower costs for households. These subsidies are available to households with incomes between 100% and 400% of the federal poverty level (FPL). The ACA also expands the Medicaid program to cover all adults with income below 138% of the FPL, though not all states have implemented this expansion.
The ACA's health insurance costs include a premium, which is a monthly payment for an insurance plan. Additionally, there may be out-of-pocket costs when seeking healthcare services. The amount paid for health insurance can vary depending on factors such as location, income, and household size. The ACA's Health Insurance Marketplace offers a range of plans to choose from, and individuals can compare plans to find the most affordable option for their needs.
The ACA also supports innovative medical care delivery methods to lower healthcare costs. These methods include the use of new technologies and approaches to provide healthcare services more efficiently and effectively. The act also includes delivery system reforms intended to constrain healthcare costs and improve quality.
The impact of the ACA on healthcare costs has been mixed. On the one hand, the uninsured rate has significantly decreased, with an estimated additional 20 to 24 million people gaining coverage. This suggests that more people have access to affordable healthcare. However, there have also been concerns about the impact of the ACA on healthcare costs for individuals and the government. Some have argued that the ACA has not done enough to control rising healthcare costs and that it may even contribute to increasing costs for some individuals and businesses.
Overall, the ACA, or "Obamacare," has been a significant reform in the US healthcare system, aiming to expand access to affordable health insurance and constrain healthcare costs through various provisions and reforms. While there have been improvements in coverage rates, the complex nature of healthcare pricing and the impact of other factors, such as the COVID-19 pandemic, have made it challenging to fully assess the long-term impact of the ACA on healthcare costs.
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Public Opinion
The Affordable Care Act (ACA), formally known as the Patient Protection and Affordable Care Act (PPACA), is often informally referred to as "Obamacare". The term "Obamacare" was originally coined by opponents of the act as a pejorative term. However, public opinion of the Affordable Care Act has been generally positive in recent years, with a majority of people approving of the act in polls conducted in 2017 and 2023.
The Affordable Care Act is a landmark U.S. federal statute enacted by the 111th United States Congress and signed into law by President Barack Obama in March 2010. The act represents a significant regulatory overhaul and expansion of the U.S. healthcare system, making affordable health insurance available to more people. The law provides consumers with subsidies ("premium tax credits") that lower costs for households with incomes between 100% and 400% of the federal poverty level. It also expands the Medicaid program to cover all adults with income below 138% of the federal poverty level.
A Morning Consult poll of registered voters conducted at the end of 2023 found that 57% approved of the Affordable Care Act, while 30% disapproved. The poll showed strong support among Democrats (85%) and independents (56%), while only 28% of Republicans supported the law. These results indicate that public opinion of the Affordable Care Act remains divided along partisan lines, with a majority of Democrats and independents in favour and a majority of Republicans opposed.
Despite the mixed reactions, the Affordable Care Act has had a significant impact on expanding access to health insurance and reducing the uninsured population in the United States. By 2016, the uninsured share of the population had roughly halved, with an additional 20 to 24 million people covered. The act has also led to the development of innovative medical care delivery methods and reforms intended to constrain healthcare costs and improve quality.
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Congressional Votes
The Affordable Care Act (ACA), formally known as the Patient Protection and Affordable Care Act (PPACA), was enacted by the 111th United States Congress and signed into law by President Barack Obama on March 23, 2010. The ACA is a comprehensive healthcare reform law that aims to make affordable health insurance available to more people. The law provides consumers with subsidies ("premium tax credits") that lower costs for households with incomes between 100% and 400% of the federal poverty level. It also expands the Medicaid program to cover all adults with income below 138% of the federal poverty level.
The term "Obamacare" was originally coined by opponents of the ACA as a pejorative term. However, it has since been adopted by some supporters of the law. During a congressional session in January 2017, the Senate of the 115th Congress voted to approve a "budget blueprint" that would allow Republicans to repeal parts of the ACA. The plan, named the "Obamacare 'repeal resolution," passed with a vote of 51-48. Democrats opposing the resolution staged a protest during the vote.
On March 6, 2017, House Republicans announced their replacement for the ACA, the American Health Care Act (AHCA). However, the AHCA failed to pass amid opposition from both Democratic and Republican representatives. On May 4, 2017, the House voted to pass the AHCA by a narrow margin of 217 to 213. The Senate Republican leadership then announced that they would write their own version of the bill.
The ACA's major provisions came into force in 2014, and by 2016, the uninsured share of the population had roughly halved, with an additional 20 to 24 million people covered. The law also enacted delivery system reforms intended to lower healthcare costs and improve quality. Separate polls from Fox News and NBC/WSJ, taken in January 2017, indicated that more people viewed the ACA favorably than unfavorably for the first time. This shift in public opinion may be due to the law's improved popularity among Democrats, who once preferred "Medicare for all."
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Frequently asked questions
The official name of Obamacare is the Patient Protection and Affordable Care Act (PPACA). It is also referred to as the Affordable Care Act (ACA).
The term Obamacare was originally coined by opponents of the legislation as a pejorative term. It was first used in March 2007 by healthcare lobbyist Jeanne Schulte Scott, who wrote of "Obama-care" alongside similar terms for other candidates' proposals.
ACA is the abbreviation for the Affordable Care Act. It is also known as the health care law.
The Affordable Care Act is a federal statute that aims to make affordable health insurance available to more people. It provides consumers with subsidies ("premium tax credits") that lower costs for households with incomes between 100% and 400% of the federal poverty level. It also expands the Medicaid program to cover all adults with income below 138% of the federal poverty level.





























