Max 401k Contribution 2024. In 2024, the maximum you can invest in your 401 (k) is $23,000, and this doesn't include any employer matching contributions. Contribution limits for 401(k)s, 403(b)s, most 457 plans, thrift savings plans (tsps), and other qualified retirement plans rise were $23,000 for 2024, rising from $22,500 for 2023.
The total maximum that can be tucked away in your 401 (k) plan, including employer contributions and allocations of forfeiture, is $76,500 in 2024. Those 50 and older can contribute an additional $7,500.
