Roth 401 K Contribution Limit 2024 Employer. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023. Use our calculator to estimate your future balance.

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. People 50 and older can also save a $7,500.