America’s Retirement System Faces a Hidden Risk: The Workers Paying In—but Never Cashing Out

ANN ARBOR - For decades, America’s retirement system has depended on a simple equation: workers pay in, retirees draw out. But new data suggests that equation may be more fragile—and more politically charged—than most Americans realize. In 2022 alone, undocumented immigrants contributed an estimated $22.6 billion to Social Security and $5.7 billion to Medicare, according