Irs Annual 401k Contribution Limit 2024. The 2024 contribution limits for 401 (k), 403 (b), and most 457 plans have been raised, increasing by $500 the amount plan participants can contribute. 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.

In 2024, that combined contribution limit will be $69,000 or 100% of the employee’s salary, whichever is lower. It usually makes sense to contribute enough to your 401(k) account to get the maximum matching contribution from your employer.