Roth 401k Limits 2024 Over 50.  — employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from $22,500 in 2023 to $23,000 in 2024. $6,500 plus an additional $1,000 for employees age 50 or older in 2023;

 — as kiplinger has reported, if you are younger than 50, the maximum amount you can contribute to a roth 401(k) for 2024 is $23,000. For 2024, the limit for 401 (k) plan contributions is $23,000, up from $22,500 last year, according to the irs.