2025 Max 401k Contribution Limits. Starting in 2025, employees can contribute up to $23,500 into their 401(k) and 403(b) plans, most 457 plans, and the thrift savings plan for federal employees, the irs announced nov. In 2025, the irs has forecasted an increase in the 401(k) elective deferral limit to $24,000, up by $1,000 from the current limit.
The employer contribution limit also rises to $46,500, bringing the. The 401(k) contribution limit for 2025 is $23,500, up from $23,000 in 2024.