For decades, Americans have viewed age 65 as the traditional retirement milestone. But due to gradual legislative changes, full retirement age (FRA) for Social Security benefits is shifting upward. For those born in 1959, FRA will be 66 years and 10 months starting in 2025, while individuals born in 1960 or later face a full retirement age of 67. Though these changes may seem small, they carry real financial implications—especially for those considering early retirement.