Roth Limits 2025 401k 2025. For 2025, the most you can contribute to a roth 401(k), a traditional 401(k), or a. While the contribution limits to workplace retirement plans are increasing by $500, iras and roth ira contributions limits will remain at $7,000 for 2025.

For tax year 2025, employees can defer $23,500 into their 401 (k) and iras, a. Employee contribution limits go up $500 more in 2025, to $23,500 from.