401k Irs Limit 2024. Irs 401k limits 2024 over 50. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.
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. Those 50 and older can contribute an additional $7,500.