Roth 401 K Income Limits 2024. For the 2024 tax year, you can save a maximum of $23,000 in a roth 401(k). The maximum amount you can contribute to a roth 401(k) for 2024 is $23,000 if you're younger than age 50.
The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023. For 2024, the contribution limits to a roth 401(k) are $23,000 or $30,500 if you are 50 or older.