2024 401k Limits Catch Up Irs. $19,500 in 2020 and 2021 and $19,000 in 2019), plus $7,500 in 2023; 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.

Learn how to make the most of your 401(k) plan 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.