The FERS Annuity Supplement, also known as the Special Retirement Supplement (SRS), is a temporary financial benefit provided to certain federal employees who retire under the Federal Employees Retirement System (FERS) before reaching age 62. Since most federal employees are not eligible to begin receiving Social Security benefits until age 62, the FERS Supplement is designed to fill ... https://www.federalpensionadvisors.com/post/how-many-retirees-are-under-csrs