What Is The Maximum 401k Contribution 20234.  — the contribution limit for 401(k)s, 403(b)s, most 457 plans and the federal government's thrift savings plan is $23,000 for 2024, up from $22,500 in 2023.  — employees can invest more money into 401 (k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024.

Those 50 and older can contribute an additional. For 2024, the 401 (k) annual contribution limit is $23,000, up from $22,500 in 2023.