401k 2024 Contribution Limit Chart By Age. The irs has announced the 2024 contribution limits for retirement savings accounts, including contribution limits for 401(k), 403(b), and 457(b) plans, as well as income limits for ira. The 401k/403b/457/tsp contribution limit is $23,000 in 2024.

For 2024, the contribution limit increases again to $23,000. There’s also a $7,500 catch.