401 K Catch-Up Contribution Limit 2024. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit. Workers can defer paying income tax on as much as $23,000 on contributions to a 401(k), 403(b) and the federal.

Workers can defer paying income tax on as much as $23,000 on contributions to a 401(k), 403(b) and the federal. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.