2024 401k Maximum Contribution Limits Irs. For 2024, the 401(k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. Those 50 and older can contribute an additional $7,500.

The 401(k) contribution limit is $23,000. 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.