Max 401k Contribution Limit 2024. 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. So keep that in mind!

For 2024, the compensation limit (which is the amount of your income that’s used to figure out 401(k) contributions and matches) is limited to $345,000. Employers may match your 401(k) contributions up to a certain limit.