This article from Federal Pension Advisors explores the continued presence and impact of the Civil Service Retirement System (CSRS) among federal retirees as of 2022. Although CSRS was phased out for new federal employees in 1984 with the introduction of the Federal Employees Retirement System (FERS), it still plays a major role in federal retirement benefits today. https://www.federalpensionadvisors.com/post/how-many-retirees-are-under-csrs