2024 Ira Contribution Limits 401k And 457. 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 irs increased 2024 contribution limits for 401(k)s, 403(b)s, and iras.
Employees age 50 or older are eligible to contribute an additional $1,000, for a total of $8,000. The total employee contribution limit to all 401 (k) and 403 (b) plans for those under 50 will be going up from $23,000 in 2024 to $23,500 in 2025.