it is a global effort to provide health insurance coverage or financing for all the residents of the society. this works efficiently in countries like Singapore but the United States' Patient Protection and Affordable Care Act (PPACA) aims to provide coverage for legal residents in 2014.
there have been so many efforts laid by the US government to improve health programs. One of the unsuccessful ones is the CLASS act
US Federal program to give everybody health care...well, basically, force people to buy a health insurance policy OR get an extra tax levied against them. There's more to it than that, but that's the stuff I've read in media outlets.
To get the real story, visit health.gov