Max 403b Contribution 2024 Catch Up Date. In 2024, the internal revenue service has increased the maximum contribution limit for 401(k) plans to $23. If you're 50 or older, you can contribute an.

The total maximum allowable contribution to a defined contribution plan (including both employee and employer contributions) is expected to rise by $2,000. For 2023, taxpayers began making contributions toward that tax year’s limit as of jan.