The FERS Supplemental Annuity is a benefit for federal employees under the Federal Employee Retirement System (FERS) designed to provide additional income when they retire before becoming eligible for Social Security benefits. This annuity is intended to bridge the gap between retirement and the age of 62 when Social Security eligibility begins. The amount is based on your years of se... https://www.federalpensionadvisors.com/post/what-is-fers-annuity-supplement