Retirement used to represent freedom after decades of hard work, but for many older Americans, that picture is changing fast. Rising grocery bills, climbing insurance premiums, and higher housing costs are pushing more seniors back into the workforce even after they have already retired. Recent labor force data show that nearly 20% of Americans over 65 are still working in some capacity, while surveys reveal a growing number of retirees are actively “un-retiring” because Social Security no longer stretches far enough. Is this trend really becoming the new normal? Here’s what the data says.