What Is The 2025 401k Contribution Limits Over 50. Contribution limits for 401(k), 403(b), and most 457 plans, as well as the federal government's thrift savings plan will also increase by $500 for 2025. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to.

Therefore, if you are over 50, your total 401k contribution limit for 2025 is $23,000 + $7,500. 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.