Social Security Benefits
Social Security is an insurance program. Workers pay into the program, typically through payroll withholding where they work. Workers who have paid into the Social Security system for at least 10 years become eligible for early retirement benefits at age 62. However, they will receive a higher monthly benefit if they wait until their "full retirement age" (67 for anyone born in 1960 or later, for example) and an even higher one if they wait as late as age 70, at which point their benefit maxes out. Workers can get a projection of their benefits at different retirement ages using the Retirement Estimator on the SSA website.
Medicare is a U.S. federal government health insurance program that subsidizes health care services.