The FERS Supplemental Annuity helps federal employees who retire before reaching the age of 62 by providing an additional income stream. This temporary benefit supplements Social Security income, which isn’t available to early retirees. Calculated based on the retiree's years of service and average salary, the supplemental annuity offers financial relief until Social Security benefits... https://www.federalpensionadvisors.com/post/what-is-fers-annuity-supplement