Can Federal Employees Contribute to Both an IRA and the TSP in 2026? Eligible federal employees can contribute to both TSP and IRAs in 2026, with combined limits potentially upwards of $40,000, subject to income and IRS rules. Federal employees often wonder if they can contribute to both an IRA and the TSP. The answer is yes, they can! However, there are some caveats. Here are some additional details on contributing to both types of retirement savings accounts. Contributing to an IRA Outsi...