2024 Max 401k Contribution Limits. This limit includes all elective employee salary deferrals and any contributions. In 2024, the contribution limit for a roth 401 (k) is $23,000, plus an additional contribution of $7,500 if you are age 50 or older.
This limit includes all elective employee salary deferrals and any contributions. Retirement savers are eligible to put $500 more in a 401(k) plan in 2024: