Barack Obama: Affordable Care Act 'still not perfect'
1 April 2014 Last updated at 22:40 BST
President Barack Obama has said that 7.1 million people have signed up for healthcare coverage under the Affordable Care Act.
Appearing in the White House Rose Garden, Obama acknowledged the law was not perfect.
He called on opponents to halt their effort to repeal the measure, popularly known as "Obamacare".