Understanding the differences between the Civil Service Retirement System (CSRS) and the Federal Employees Retirement System (FERS) is essential for federal employees planning their retirement. CSRS provides a traditional pension plan with a higher percentage of salary but excludes Social Security and the Thrift Savings Plan (TSP). FERS, however, integrates a smaller pension with Soci... https://www.federalpensionadvisors.com/post/csrs-vs-fers