2025 401k Limits Irs. 1, 2025 — the internal revenue service today announced disaster tax relief for all individuals and businesses affected by hurricane helene,. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal.

 — starting in 2025, employees can contribute up to $23,000 into their 401(k), 403(b), most 457 plans or the thrift savings plan for federal employees, the irs announced nov. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit.