By the numbers: Health insurance

Story highlights

  • 49.9 million -- The number of uninsured Americans in 2010
  • 15.4% - The percentage of children living in poverty who are also uninsured
  • 95 million -- Number of people in the U.S. covered by government health insurance

The U.S. Supreme Court upheld the Patient Protection and Affordable Care Act on Thursday. The landmark 5-4 decision will dictate the way health care is administered to millions of Americans.

Here's a look at health care in the United States by the numbers, including the populations that could be most affected by the decision on what has come to be known as "Obamacare."

Obama: Health care ruling a victory for all Americans

49.9 million -- The number of uninsured Americans in 2010. That's 16.3% of the total population.

18.4% -- Percentage of uninsured Americans younger than 65 in 2010.

28.4% -- The percentage of Americans 25 to 34 without insurance.

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Obama: It's a victory for the people

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7.3 million -- The number of children in the United States without health insurance, 9.8% of all children in the country.

15.4% - The percentage of children living in poverty who are also uninsured.

Ruling plays into campaign narrative for both sides

26.9% -- Percentage of people earning less than $25,000 a year who are also uninsured.

256.2 million -- The number of Americans who were insured in 2010.

195.9 million -- The number of Americans with private health insurance in 2010, 64% of the total population.

What the health care ruling means to you

169.3 million -- The number of Americans who get their insurance through the workplace.

95 million -- Number of people in the United States covered by government health insurance, 31% of the population.

44.3 million -- Number of Americans receiving Medicare coverage in 2010.

48.6 million -- The number of Americans covered by Medicaid in 2010.

$940 billion -- The amount of money the Congressional Budget Office estimates it will cost to provide the expanded insurance coverage over 10 years.

$143 billion -- The amount by which the plan could reduce the deficit over the first 10 years. And over the following decade, the CBO projected, health reform could reduce the deficit by more than $1 trillion, although the agency stressed such long-term projections are highly uncertain.

Timeline of the health care law

2.35% -- The tax rate high-income individuals would pay into Medicare, up from 1.45%. High-income is defined as individuals making more than $200,000 ($250,000 for couples filing jointly).

2014 -- The year that people who don't buy insurance will be penalized $95 or up to 1% in income.

19.1% - Percentage of people living in the South who are uninsured, the highest percentage of any region.

24.6% - The percentage of uninsured people in Texas, the highest of any state.

5.6% - The percentage of uninsured people in Massachusetts, the lowest of any state.

Breaking down the court's decision

Opinion: Are voters ready to move on?

Photos: Who is John Roberts?

Overheard on CNN.com: Health care law a 'necessary evil'

      The Affordable Care Act

    • ac kth health care tax _00002803

      In its ruling last week on the national health care law, the Supreme Court found that penalties the law places on people who don't buy health insurance count as a tax protected by the Constitution.
    • Chief Justice John Roberts

      With his opinion for a narrow majority of the Supreme Court, Chief Justice John G. Roberts Jr. has, for the first time since his confirmation as chief justice in 2005, breached the gap between the conservative and liberal wings of the court on a polarizing political issue.
    • sot Obama healthcare upheld_00003211

      In a landmark ruling that will impact the November election and the lives of every American, the U.S. Supreme Court on Thursday upheld the controversial health care law championed by President Barack Obama.
    • WASHINGTON, DC - JUNE 28: Tea Party activist William Temple, protests in front of he U.S. Supreme Court, on June 28, 2012 in Washington, DC. Today the high court is expected to rule on the constitutionality of the sweeping health care law championed by President Barack Obama.

      The court's opinion, in preserving the Patient Protection and Affordable Care Act, under Congress' taxing power, still gives a virtually unlimited sway to the power of the federal government, Stephen Presser writes.
    • The AARO has spent about $10.3 million on ads in favor of the Affordable Care Act.

      The Supreme Court is set to rule on the constitutionality of the Patient Protection and Affordable Care Act on Thursday. The landmark decision will dictate the way health care is administered to millions of Americans.
    • WASHINGTON, DC - MARCH 27:  General public with tickets to listen to a hearing on the Obamacare line up for entering the U.S. Supreme Court March 27, 2012 in Washington, DC. The Supreme Court continues to hear oral arguments on the Patient Protection and Affordable Care Act.  (Photo by Alex Wong/Getty Images)

      A look at the four issues the high court tackled separately during oral arguments in late March. Those issues are expected to play key roles in the judges' final decisions.