401k Contribution Limits 2024 Catch Up Total Contribution. Learn about the 2024 contribution limits for different retirement savings plans including 401k, 457, 403b, 401a and iras. For 2024, the maximum you can contribute to a simple 401 (k) is $16,000.

Changes in inflation affect the limits,. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024.