As of 2022, approximately 56% of all federal annuitants, equating to 2,226,760 individuals, received retirement benefits under the Civil Service Retirement System (CSRS). In contrast, 44% of annuitants were covered by the Federal Employees Retirement System (FERS). Notably, only about 1.6% of current civilian federal employees remain under CSRS, totaling around 44,000 active employees... https://www.federalpensionadvisors.com/post/how-many-retirees-are-under-csrs