For many entering their retirement years, Medicare offers a plan forward. But the federal health insurance program might not cover as much as you think — and for some couples, not nearly enough to last their full retirement. According to recent research from the Employee Benefit Research Institute (EBRI) (1), a couple with above-average prescription costs now needs roughly $469,000 to have a 90% chance of covering healthcare costs throughout their retirement. Must Read While this figure represents the ...