Roth 401 K Income Limits 2025 Catch Up. Contribution limits for 401(k)s, 403(b)s, eligible 457s, and thrift savings plans increase to $23,500 for 2025; To start, individuals can contribute up to $23,500 — an extra $500 from the 2024 limit — to their 401 (k) plans in 2025, according to the irs announcement.
As is usual, contribution limit. If you already have a 401(k) plan, look at your contributions.