A Primer on Medicare: Key Facts About the Medicare Program and the People it Covers
This primer explains key elements of the Medicare program, which now provides health coverage to 55 million people -- including 46 million people age 65 and older and another 9 million younger adults with permanent disabilities. It looks at the characteristics of the Medicare population, what benefits are covered, how much people with Medicare pay for their benefits and the program’s overall costs and future financing challenges.