FBI retirement benefits provide a robust financial foundation for agents after their service. Key components include the Federal Employees Retirement System (FERS) pension, Social Security benefits, and contributions to the Thrift Savings Plan (TSP). Eligibility depends on age and years of service, with retirement possible at 50 with 20 years or at any age with 25 years. These benefits ensure financial stability, offering a pension calculated based on years of service and salary. Additional perks like health insurance, life insurance, and flexible spending accounts enhance post-retirement support, creating a comprehensive plan for agents to enjoy a secure future.