2024 Roth Ira Contribution Limits 401k Max. 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. The 2024 contribution limit for 401 (k) plans is $23,000, up from $22,500 in 2023.

At certain incomes, the contribution amount is lowered until it is eliminated completely. If you’re 50 or older, the limit is $8,000.