2024 Roth 401k Catch Up Contribution Limits. According to the irs, the 2024 maximum amount you can contribute to your roth 401k plan is $23,000 subject to the 402(g) limit. For 2024, the roth ira contribution limits are $7,000, or $8,000 if you're 50 or older.
Employees 50 or older can. The limit on combined employee and employer contributions is $69,000, up from $66,000 in 2023.